📝 Chapter Practice
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Ch 7 · Sound
Vibration, pitch, volume, how sound travels through solids/liquids/gases — and why not through a vacuum.
Vibration
Pitch & Volume
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Ch 8 · Magnets
Magnetic materials, attract & repel, poles, magnetic strength, and force over distance.
Poles
Materials
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Ch 9 · Atmosphere & Water Cycle
Layers of the atmosphere, the gases we breathe, and how water moves between sky and Earth.
Atmosphere
Water Cycle
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Ch 10 · Pollution
Air, water, land, noise & light pollution. Effects on people, animals, plants — and the 3 R's.
Types
3R
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Ch 11 · Movement of Earth
Rotation, orbit, seasons, day & night, the Moon's phases, eclipses, and what satellites do.
Earth's Orbit
Satellites
Moon Phases
🏆 Final Exam