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Science: Sound
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Chapter Overview
Electricity
Sound
States of matter
Living things and their habitats
Animals, including humans
5 Lessons
15 Exercises
Sound
Sound
Hearing and the structure of the ear
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Vibrations
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Pitch and frequency
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The volume of sound
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Sound and distance
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Popular Chapters in All Year Groups
Waves
Electricity
Chemical reactions
Forces
Energy
Forces and motion
Matter
States of matter
Living things and their habitats
The periodic table and properties of materials
Human nutrition, digestion and health
Cells and respiration
Beta