Peter D. Riley Books
Food chains
Introduces the basic science behind food chains and presents experiments to show how they work.
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Forces and movement
Introduces the basic science behind forces and movement and presents experiments to show how they work.
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Light and color
Introduces the scientific principles of light and color, including explanations of where light comes from, reflected light, colors in nature, and how the eye works.
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Plant life
Introduces basic scientific principles of botany and plant physiology and presents experiments to show how they work.
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