CBSE CLASS 8 NOTES HUB
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English (Poorvi) : Unit 1. Wit and Wisdom
1. The Wit that Won Hearts - Explore the clever world
of folklore featuring the legendary wit of Tenali Rama and King
Krishnadevaraya of the Vijayanagara Empire as they navigate court
dynamics with humor and intelligence.
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2. A Concrete Example - Study Reginald Arkell’s work
to discover how a lighthearted, practical, and situational scenario
can be used to deliver a sharp, witty life lesson.
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3. Wisdom Paves the Way - Analyze how deep
understanding, quick thinking, and thoughtful decision-making allow
individuals to overcome difficult obstacles and outsmart
challenges.
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English (Poorvi) : Unit 2. Values and Dispositions
1. A Tale of Valour: Major Somnath Sharma and the Battle of
Badgam
- Discover the inspiring, true biographical account of India's first
Param Vir Chakra recipient, honoring his ultimate sacrifice,
leadership, and unmatched bravery.
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2. Somebody’s Mother - Study Mary Dow Brine’s
touching poem that highlights the timeless values of empathy,
compassion, respect for the elderly, and the impact of unconditional
kindness.
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3. Verghese Kurien—I Too Had A Dream - Explore an
inspiring letter written by the "Father of the White Revolution" to
his grandson, focusing on social responsibility, dedication, and
building a better society.
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English (Poorvi) : Unit 3. Mystery and Magic
1. The Case of the Fifth Word - Dive into an exciting
detective story adapted from Donald J. Sobol, where readers must use
critical thinking, logic, and deduction to solve a clever mystery.
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2. The Magic Brush of Dreams - Explore a creative and
enchanting narrative that delves into the power of art, imagination,
and how dreams can manifest into reality.
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3. Spectacular Wonders - Study an awe-inspiring text
dedicated to exploring extraordinary phenomena, igniting a sense of
curiosity and wonder about the world around us.
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English (Poorvi) : Unit 4. Environment
1. The Cherry Tree - Read Ruskin Bond's beautiful
story tracing a young boy's journey of planting a cherry seed,
exploring themes of resilience, nature's survival, and deep
bonding.
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2. Harvest Hymn - Study Sarojini Naidu's celebratory
poem that expresses deep gratitude to the forces of nature and honors
the hard work of farmers in yielding the earth's bounty.
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3. Waiting for the Rain - Delve into Kamakshi
Balasubramanian's narrative capturing the emotional anticipation,
crucial dependency, and vital importance of monsoons in rural Indian
life.
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English (Poorvi) : Unit 5. Science and Curiosity
1. Feathered Friend - Delve into Arthur C. Clarke's
sci-fi story exploring human life on a space station and the
unexpected, vital role a small pet bird plays in a high-tech
environment.
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2. Magnifying Glass - Study Walter de la Mare's
perspective that encourages looking closer at the micro-details of
nature, celebrating the power of keen observation and scientific
curiosity.
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3. Bibha Chowdhuri: The Beam of Light that Lit the Path for Women
in Indian Science
- Explore the inspiring biography of the pioneering Indian physicist,
honoring her immense contributions to cosmic ray research and her
legacy as a trailblazer for women in STEM.
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Mathematics (Ganit Prakash I) : 1. A Square and A Cube
1. Understanding Squares - Learn about square
numbers, their unique geometric representation, and how to identify
perfect squares through their properties and endings.
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2. Square Roots and Methods - Master techniques to
find the square root of a number, exploring both prime factorization
and long division methods for perfect squares.
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3. Understanding Cubes - Explore the concept of cube
numbers, visualize perfect cubes in three dimensions, and understand
how they grow compared to square numbers.
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4. Cube Roots - Study the mathematical operations
required to determine the cube root of a given number using prime
factorization and estimation strategies.
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Mathematics (Ganit Prakash I) : 2. Power Play
1. Introduction to Exponents - Understand the concept
of base and exponents, and learn how to express large numbers
compactly using positive integral powers.
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2. Laws of Exponents - Master the core rules for
multiplying and dividing exponential expressions with the same base,
as well as handling powers of a power.
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3. Negative and Zero Exponents - Explore the
mathematical meaning of non-positive exponents, defining what happens
when a number is raised to the power of zero or a negative integer.
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4. Scientific Notation and Standard Form - Learn how
to use powers of 10 to write and compare extremely large or incredibly
small numbers efficiently.
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Mathematics (Ganit Prakash I) : 3. A Story of Numbers
1. Historical Journey of Numbers - Explore the
fascinating history and evolution of number systems across different
ancient civilizations and how our modern system came to be.
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2. Expanding the Number Line - Dive deeper into the
classification of numbers, moving from whole numbers and integers to a
comprehensive understanding of rational numbers.
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3. Properties of Real Numbers - Study the fundamental
operational properties including closure, commutativity,
associativity, and distributivity across different number sets.
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4. Dense Nature of Numbers - Discover the concept of
density in mathematics by learning how to find infinite numbers
between any two given rational numbers.
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Mathematics (Ganit Prakash I) : 4. Quadrilaterals
1. Understanding Four-Sided Shapes - Explore the
fundamental properties of quadrilaterals, including the angle sum
property and the classification of various closed four-sided
figures.
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2. Special Quadrilaterals - Study the defining
characteristics, side relationships, and unique angle properties of
parallelograms, rectangles, squares, and rhombuses.
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3. Properties of Kites and Trapeziums - Examine the
geometric behaviors of trapeziums (including isosceles trapeziums) and
kites, focusing on their diagonals and parallel line segments.
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4. Constructing Quadrilaterals - Learn step-by-step
geometric construction techniques to draw precise quadrilaterals using
combinations of given sides, angles, and diagonals.
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Mathematics (Ganit Prakash I) : 5. Number Play
1. Divisibility Rules and Logic - Discover the
mathematical secrets behind standard divisibility tests, and learn how
to prove why they work using generalized number forms.
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2. Cryptarithms and Number Puzzles - Solve intriguing
alphabet puzzles where letters stand for digits, sharpening logical
deduction, addition, and multiplication rules.
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3. Magic Squares and Patterns - Explore the
arrangements of numbers in grids where rows, columns, and diagonals
sum to the same total, uncovering hidden symmetry.
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4. Fun with Digits and Games - Engage with number
reversals, mind-reading math games, and algebraic tricks that
demonstrate the playful nature of number properties.
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Mathematics (Ganit Prakash I) : 6. We Distribute, Yet Things Multiply
1. Introduction to Algebraic Expressions - Understand
constants, variables, terms, and coefficients, and learn how to form
basic algebraic expressions from real-life situations.
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2. Multiplication of Algebraic Expressions - Master
the methods for multiplying monomials by monomials, monomials by
polynomials, and binomials by binomials.
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3. The Distributive Property - Explore the
fundamental concepts of the distributive law of multiplication over
addition and subtraction, visualizing how it expands terms.
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4. Standard Algebraic Identities - Study and prove
essential algebraic identities like $(a+b)^2$, $(a-b)^2$, and
$(a+b)(a-b)$ to simplify complex mathematical expansions.
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Mathematics (Ganit Prakash I) : 7. Proportional Reasoning-1
1. Understanding Ratios and Variations - Learn how to
compare quantities using ratios and understand the fundamental concept
of variables changing in relation to one another.
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2. Direct Proportion - Explore scenarios where an
increase in one quantity leads to a constant, proportional increase in
another, and master solving real-world direct variation problems.
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3. Inverse Proportion - Study the mathematical
relationship where one quantity increases as the other decreases,
understanding how to calculate and apply constant products.
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4. Unitary Method and Applications - Master
multi-step proportional reasoning using the unitary method to solve
complex problems related to speed, time, work, and sharing
resources.
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Mathematics (Ganita Prakash II) : 1. Fractions in Disguise
1. Equivalent Fractions and Simplification - Learn
how to identify fractions written in different forms, find equivalent
fractions, and reduce them to their simplest terms.
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2. Operations with Fractions - Master the rules for
adding, subtracting, multiplying, and dividing fractions with both
like and unlike denominators.
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3. Fractions on the Number Line - Understand how to
visually represent, compare, and order positive and negative fractions
accurately on a number line.
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4. Real-World Applications - Explore word problems
and practical situations where hidden fractions are used to distribute
resources or calculate parts of a whole.
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Mathematics (Ganita Prakash II) : 2. The Baudhayana-Pythagoras Theorem
1. Historical Context and Statement - Explore the
roots of the theorem in ancient Indian mathematics through
Baudhayana's Sulba Sutras and its relationship with the classical
Pythagorean statement.
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2. Geometric Proofs and Visualizations - Study
different visual and algebraic methods to prove the theorem, including
area-rearrangement and dissection techniques.
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3. Pythagorean Triples - Learn how to identify and
generate sets of three positive integers $(a, b, c)$ that satisfy the
property $a^2 + b^2 = c^2$.
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4. Applications in Problem Solving - Apply the
theorem to calculate unknown lengths, heights, and distances in
various real-world geometric contexts.
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Mathematics (Ganita Prakash II) : 3. Proportional Reasoning-2
1. Advanced Compound Proportion - Learn how to
analyze and solve complex mathematical problems involving three or
more varying quantities changing simultaneously.
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2. Time and Work Relationships - Master the inverse
proportional relationship between the number of workers and the time
taken to complete a specific task.
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3. Speed, Distance, and Time - Explore deeper
applications of direct and inverse variations as they apply to moving
objects, relative speed, and travel intervals.
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4. Financial Applications - Apply proportional
reasoning to practical economic scenarios, including sharing profits
in partnerships, taxation, and simple interest calculations.
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Mathematics (Ganita Prakash II) : 4. Exploring Some Geometric Themes
1. Visualizing Three-Dimensional Solids - Learn how
to interpret, draw, and analyze 3D shapes from different perspectives,
shifting from flat 2D representations to spatial structures.
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2. Geometry and Imagination - Explore creative visual
mappings, symmetries, and the mathematical imagination required to
understand complex shapes and their behaviors.
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3. Shortest Paths on Cuboids - Master the
optimization strategies and geometric principles used to find the
absolute shortest paths along the surfaces of three-dimensional
boxes.
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4. Practical Applications and Nets - Study how
folding and unfolding 2D nets helps solve spatial puzzles, building a
strong foundation for design and structural reasoning.
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Mathematics (Ganita Prakash II) : 5. Tales by Dots and Lines
1. Introduction to Data Representation - Learn how to
collect, organize, and visually represent data sets using structured
dot plots and line arrangements to uncover initial trends.
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2. Constructing Line Graphs - Master the techniques
for plotting data points on coordinate grids and connecting them with
line segments to track continuous changes over time.
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3. Analyzing Trends and Patterns - Develop critical
thinking skills to interpret the slopes, peaks, and intersections of
graphical lines, translating visual data into meaningful
conclusions.
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4. Misleading Graphs and Statistics - Explore how
manipulating scale, intervals, or starting points on axes can distort
a graph's narrative, building a foundation for data literacy.
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Mathematics (Ganita Prakash II) : 6. Algebra Play
1. Advanced Factorisation - Learn how to decompose
algebraic expressions into their constituent factors using common
grouping techniques and splitting the middle term.
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2. Linear Equations in One Variable - Master the
methods for setting up, balancing, and solving linear equations with
single variables to find unknown values.
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3. Solving Word Problems Algebraically - Develop
critical thinking skills to translate complex real-world situations,
age problems, and number riddles into algebraic equations.
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4. Linear Inequalities Introduction - Explore the
fundamental concepts of mathematical inequalities ($<$, $>$,
$\le$, $\ge$) and understand how to represent their solutions sets.
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Mathematics (Ganita Prakash II) : 7. Area
1. Area of Triangles - Learn how to derive and apply
formulas to calculate the area of various triangles using base,
height, and Heron's formula for non-right triangles.
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2. Area of Parallelograms and Rhombuses - Explore the
geometric relationships and base-times-height principles used to
determine the area of parallelograms and rhombuses.
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3. Area of Trapeziums and Kites - Master the specific
area formulas for trapeziums based on parallel sides, and for kites
using the lengths of their perpendicular diagonals.
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4. Area of Irregular Polygons - Understand how to
calculate the total area of complex, irregular rectilinear shapes by
splitting or decomposing them into simpler triangles and
quadrilaterals.
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Social Science (Exploring Society) : Theme A. India and the World: Land and the People
1. Understanding Our Land - Explore the diverse
physical features, geographical boundaries, and unique landscapes that
define the Indian subcontinent.
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2. Climate and Resources - Study the climatic zones,
monsoon patterns, and natural resource distributions that shape life
and livelihoods across regions.
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3. People and Society - Examine the demographic
patterns, cultural tapestry, and interconnected lives of communities
living within India and its neighboring regions.
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4. India and Global Links - Analyze how geographical
positioning connects India to the rest of the world through historical
trade routes and modern spatial relations.
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Social Science (Exploring Society) : Theme B. Tapestry of the Past
Chapter 2. Reshaping India's Political Map
1. Historical Boundaries and Kingdoms - Trace the
shifting political borders of the Indian subcontinent and learn how
regional dynasties redefined territorial lines over time.
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2. Drivers of Political Change - Examine the internal
and external factors, including alliances, conflicts, and
administrative shifts, that altered the map of India.
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3. Integration and Consolidation - Study how
scattered territories and independent princely entities gradually
evolved toward a unified political framework.
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4. Impact on Society and Culture - Analyze how
changing political boundaries influenced regional identities, trade
networks, and cultural exchanges across the subcontinent.
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Social Science (Exploring Society) : Theme B. Tapestry of the Past
Chapter 3. The Rise of the Marathas
1. Geographical and Cultural Foundations - Understand
how the rugged terrain of the Deccan and the Bhakti movement shaped
the distinct identity, resilience, and spirit of the Maratha
people.
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2. Chhatrapati Shivaji Maharaj and Swarajya - Explore
the life, military genius, and visionary leadership of Shivaji Maharaj
in founding an independent Maratha kingdom based on the ideal of
Swarajya.
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3. Administration and Military Tactics - Study the
innovative Ashta Pradhan (council of eight ministers) governance
system, revenue policies like Chauth and Sardeshmukhi, and pioneering
guerrilla warfare techniques.
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4. Expansion Under the Peshwas - Analyze the
post-Shivaji era and the transformation of the Maratha kingdom into a
dominant confederacy across northern and central India under the
Peshwas.
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Social Science (Exploring Society) : Theme B. Tapestry of the Past
Chapter 4. The Colonial Era in India
1. Entry of European Powers - Trace how foreign
trading companies, particularly the British East India Company,
transitioned from merchants to political rulers in the
subcontinent.
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2. Colonial Policies and Administration - Examine the
economic, agrarian, and administrative structures introduced by the
British to consolidate power and extract resources.
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3. Impact on Local Economies - Analyze the
de-industrialization of traditional Indian handicrafts, changes in
land revenue systems, and the commercialization of agriculture.
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4. Popular Resistance and Uprisings - Study the early
waves of discontent, including peasant revolts, tribal resistances,
and organized challenges against foreign rule.
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Social Science (Exploring Society) : Theme D. Governance and Democracy
Chapter 5. Universal Franchise and India's Electoral System
1. Universal Adult Suffrage - Understand the
democratic principle of granting the right to vote to all adult
citizens without discrimination based on wealth, income, gender, or
social status.
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2. The Election Commission of India - Explore the
structure, roles, and independent powers of the apex constitutional
body responsible for conducting free and fair elections.
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3. The Electoral Process - Trace the step-by-step
journey of an election, from the notification of dates and filing of
nominations to campaigning, voting, and counting.
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4. Political Parties and the Electorate - Examine the
importance of political parties, election manifestos, and the critical
role of informed voters in shaping a robust democracy.
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Social Science (Exploring Society) : Theme D. Governance and Democracy
Chapter 6. The Parliamentary System: Legislature and Executive
1. The Structure of Parliament - Understand the
composition of India's bicameral legislature, exploring the roles,
qualifications, and distinct powers of the Lok Sabha and the Rajya
Sabha.
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2. Functions of the Legislature - Study how laws are
framed, debated, and passed in Parliament, and how the legislature
holds the government accountable through tools like Question Hour.
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3. The Executive Branch - Examine the roles of the
political executive (President, Prime Minister, and Council of
Ministers) and the permanent executive (civil services) in
implementing laws.
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4. Relationship Between the Two Arms - Analyze the
principle of collective responsibility, understanding how the
executive remains accountable to and dependent on the confidence of
the legislature.
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Social Science (Exploring Society) : Theme E. Economic Life Around Us
Chapter 7. Factors of Production
1. Land and Natural Resources - Understand the role
of primary, nature-given resources as the foundational factor of
production and how their availability impacts economic activities.
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2. Labor and Human Effort - Explore the physical and
mental contributions of workers in the production process,
distinguishing between skilled and unskilled labor.
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3. Capital and Infrastructure - Study the importance
of man-made tools, machinery, buildings, and financial investments
that are used to generate further wealth and goods.
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4. Entrepreneurship and Enterprise - Analyze the
critical role of innovators who combine land, labor, and capital, take
calculated risks, and organize production to run a successful
enterprise.
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Science (Curiosity) : Chapter 1. Exploring the Investigative World of Science
1. The Method of Science - Learn how to
systematically observe, form hypotheses, design controlled
experiments, and gather data to answer questions about the natural
world.
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2. Making Accurate Measurements - Understand the
importance of standard units, precision, and minimizing human or
instrumental errors during scientific investigations.
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3. Data Analysis and Drawing Conclusions - Master how
to organize experimental data into clear tables and graphs to identify
patterns, validate hypotheses, and form logical conclusions.
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4. Scientific Temper and Collaboration - Explore the
value of curiosity, open-mindedness, skepticism, and peer review in
building reliable, community-verified scientific knowledge.
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Science (Curiosity) : Chapter 2. The Invisible Living World: Beyond Our Naked Eye
1. Introduction to Microorganisms - Discover the vast
world of microscopic organisms, exploring the major groups: bacteria,
fungi, algae, protozoa, and viruses.
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2. Tools for the Invisible World - Learn how
microscopes function, mastering the historical and modern techniques
used to magnify, stain, and observe cells.
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3. Microbes as Friends - Explore the beneficial roles
of microorganisms in food production (like curd and bread), commercial
antibiotics, and soil fertility.
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4. Microbes as Foes - Study how pathogenic
microorganisms cause diseases in humans, plants, and animals, and
examine methods of food spoilage and preservation.
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Science (Curiosity) : Chapter 3. Health: The Ultimate Treasure
1. Concept of Holistic Health - Understand health as a
state of complete physical, mental, and social well-being, moving beyond
the mere absence of disease.
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2. Balanced Diet and Nutrition - Explore the essential
nutrients required by the body, the importance of dietary balance, and
the nutritional needs specific to adolescents.
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3. Personal and Community Hygiene - Study the role of
clean drinking water, proper sanitation, waste management, and
individual cleanliness in preventing the spread of illnesses.
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4. Lifestyle Choices and Well-being - Examine the
impact of physical exercise, adequate sleep, stress management, and
avoiding harmful substances on long-term health.
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Science (Curiosity) : Chapter 4. Electricity: Magnetic and Heating Effects
1. Heating Effect of Electric Current - Understand how
electrical energy converts into heat energy when passing through
high-resistance wires, exploring applications like fuses and heaters.
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2. Magnetic Effect of Electric Current - Discover how
an electric current flowing through a conductor generates a magnetic
field around it, following Oersted's classic experiment.
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3. Electromagnets and Their Uses - Learn how to
construct an electromagnet using a current-carrying coil wound around a
magnetic core, and study its application in devices like electric
bells.
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4. Electrical Safety Devices - Examine the working
principles of safety fuses and Miniature Circuit Breakers (MCBs) in
protecting household circuits from short circuits and overloading.
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Science (Curiosity) : Chapter 5. Exploring Forces
1. Concept of Force -
Understand forces as pushes or pulls resulting from interactions between objects, and learn to identify their effects on shape, speed, and direction.
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2. Contact and Non-Contact Forces -
Distinguish between forces requiring physical contact (like friction and muscular force) and those acting at a distance (like gravity, magnetic, and electrostatic forces).
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3. Net Force and Equilibrium -
Learn how to calculate the resultant net force when multiple forces act simultaneously on an object in the same or opposite directions.
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4. Introduction to Friction -
Explore the nature of frictional force, the factors that affect it, and its critical role as both a necessity and an evil in daily activities.
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Science (Curiosity) : Chapter 6. Pressure, Winds, Storms, and Cyclones
1. Understanding Atmospheric Pressure -
Learn about air pressure, how it varies with altitude and temperature, and how differences in pressure create air movements.
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2. Generation of Winds -
Explore how unequal heating of the Earth's surface by the sun drives wind currents and shapes global and local wind patterns.
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3. The Science of Storms -
Study how high-speed winds and accompanied air pressure drops lead to the formation of severe thunderstorms and heavy rain.
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4. Cyclones and Destruction -
Examine the structure of a cyclone, the factors contributing to its development, and the vital safety measures and warning systems used for protection.
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Science (Curiosity) : Chapter 7. Particulate Nature of Matter
1. Matter and its Composition -
Discover that all matter is made up of tiny, discrete particles and explore the foundational experimental evidence that supports this particulate nature.
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2. Characteristics of Particles -
Study the core behaviors of particles, including the constant random motion, the existence of intermolecular spaces, and the forces of attraction between them.
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3. States of Matter via Particle Theory -
Explain the distinct properties of solids, liquids, and gases by analyzing the arrangement, spacing, and movement of their constituent particles.
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4. Phenomena of Diffusion and Dissolution -
Examine real-world processes like diffusion and dissolving to visualize how particles intermix on their own, demonstrating kinetic theory in action.
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Science (Curiosity) : Chapter 8. Nature of Matter: Elements, Compounds, and Mixtures
1. Pure Substances vs. Mixtures -
Learn to distinguish between pure substances, which have a uniform composition, and mixtures, which consist of different substances physically combined.
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2. Elements: The Building Blocks -
Explore elements as the simplest chemical substances that cannot be broken down further, and understand their classification into metals and non-metals.
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3. Compounds and Chemical Bonds -
Study how two or more elements chemically combine in fixed proportions to form compounds with entirely new physical and chemical properties.
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4. Separating Components of a Mixture -
Master various experimental techniques used to separate mixtures based on physical properties, including filtration, evaporation, and magnetic separation.
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Science (Curiosity) : Chapter 9. The Amazing World of Solutes, Solvents, and Solutions
1. Components of a Solution -
Learn to identify and distinguish between a solute (the substance that dissolves) and a solvent (the medium that does the dissolving) in various homogenous mixtures.
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2. Saturated and Unsaturated Solutions -
Understand the limit to how much solute can dissolve in a given solvent at a specific temperature, exploring the transition from unsaturated to saturated states.
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3. Factors Affecting Solubility -
Investigate how external factors like temperature, stirring, and particle size influence the rate of dissolution and the overall solubility of a substance.
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4. Concentration of a Solution -
Explore how to qualitatively describe solutions as dilute or concentrated, and understand the basic quantitative methods used to express solution strength.
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Science (Curiosity) : Chapter 10. Light: Mirrors and Lenses
1. Reflection of Light and Spherical Mirrors -
Investigate how light reflects off curved surfaces, distinguishing between concave and convex mirrors, and learn the rules for image formation.
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2. Refraction and Lenses -
Explore the bending of light as it passes from one medium to another, and study how concave and convex lenses converge or diverge light rays.
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3. Real vs. Virtual Images -
Understand the structural and optical differences between real images (which can be caught on a screen) and virtual images formed by mirrors and lenses.
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4. Applications in Daily Life -
Examine how mirrors and lenses are used in practical devices, including magnifying glasses, spectacles, car rearview mirrors, and solar furnaces.
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Science (Curiosity) : Chapter 11. Keeping Time with the Skies
1. Celestial Motion and Timekeeping -
Discover how ancient civilizations used the regular, periodic movements of the Sun, Moon, and stars to establish the earliest concepts of days, months, and years.
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2. Shadows and Sundials -
Explore the science of tracking the Sun's changing position in the sky using shadows, and understand the design and limitations of historical sundials.
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3. Phases of the Moon and Calendars -
Study the predictable lunar cycle, the physics behind the Moon's changing phases, and how they laid the foundation for traditional lunar and lunisolar calendars.
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4. Constellations and Night Sky Navigation -
Learn to identify prominent star patterns and constellations, understanding how their seasonal shifts across the night sky served as a cosmic clock and compass.
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Science (Curiosity) : Chapter 12. How Nature Works in Harmony
1. Ecosystems and Interdependence -
Explore how living organisms (biotic components) interact with each other and their physical environment (abiotic components) to maintain ecological balance.
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2. Food Chains and Nutrient Cycles -
Understand the flow of energy through producers, consumers, and decomposers, and trace how vital nutrients cycle through the biosphere.
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3. Biodiversity and Coexistence -
Study the variety of life forms within an ecosystem and discover how different species adapt to share resources and coexist harmoniously.
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4. Human Impact and Conservation -
Analyze how human activities disrupt natural harmony and examine sustainable practices required to protect and restore ecological stability.
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Science (Curiosity) : Chapter 13. Our Home: Earth, a Unique Life Sustaining Planet
1. The Goldilocks Zone and Habitability -
Understand Earth's optimal positioning in the solar system, which allows for moderate temperatures and the existence of liquid water essential for life.
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2. Earth's Protective Atmosphere -
Explore the unique composition of gases, the role of the ozone layer in shielding harmful radiation, and how the atmosphere regulates global climate.
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3. The Lithosphere and Hydrosphere -
Study the structural components of Earth's crust, soil formation, and the vast water bodies that interact dynamically to support diverse life forms.
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4. Sustaining Our Planet for the Future -
Analyze the delicate planetary boundaries, threats to Earth's life-support systems, and collective responsibilities required for environmental stewardship.
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