Chapter 1: Matter in Our Surroundings
States of matter, evaporation, condensation.
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Chapter 2: Is Matter Around Us Pure?
Mixtures, solutions, separation techniques.
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Chapter 3: Atoms and Molecules
Laws of chemical combination, molecular masses.
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Chapter 4: Structure of the Atom
Electrons, protons, neutrons, atomic models.
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Chapter 5: The Fundamental Unit of Life
Cell structure, functions, organelles.
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Chapter 6: Tissues
Plant and animal tissues, functions.
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Chapter 7: Diversity in Living Organisms
Classification, kingdoms, species.
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Chapter 8: Motion
Speed, velocity, acceleration, graphs.
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Chapter 9: Force and Laws of Motion
Newton's laws, inertia, momentum.
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Chapter 10: Gravitation
Universal law, free fall, weight vs mass.
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Chapter 11: Work and Energy
Work, power, kinetic/potential energy.
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Chapter 12: Sound
Waves, frequency, echo, ultrasound.
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Chapter 13: Why Do We Fall Ill?
Diseases, immunity, prevention.
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Chapter 14: Natural Resources
Air, water, soil, conservation.
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Chapter 15: Improvement in Food Resources
Crop yield, animal husbandry.
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