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South 중학교 3학년 Science 3

अध्याय: 8

1. Chemical reactions: laws and energy

Physical vs chemical change · Chemical equations · Conservation of mass · Law of definite proportions · Gay-Lussac's law of combining volumes · Energy in reactions

2. Atmosphere and weather

Layers of the atmosphere and greenhouse effect · Humidity, clouds and precipitation · Air pressure and wind · Air masses, fronts, weather maps

3. Motion and energy

Uniform motion graphs · Free fall · Work, potential and kinetic energy

4. Stimulus and response

Sense organs · Neurons and the nervous system · Hormones

5. Reproduction and heredity

Cell division and growth · Chromosomes, mitosis, meiosis · Development from a fertilised egg · Mendel's laws · Human inheritance and pedigrees

6. Energy conversion and conservation

Mechanical energy conservation · Electromagnetic induction · Electrical energy at home

7. Stars and universe

Stellar distance and temperature · Our galaxy · Expanding universe · Space exploration

8. Science and civilisation

Science and human civilisation · Designing with science