Thursday, 2 May 2024, 1:40 AM
Site: edulabs.org academy
Course: Activity Examples (Activity Examples)
Glossary: Science Terminology for 11-13 Yr Olds --- (Jon Witts)
P
Producta substance that is made during a chemical change
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Propertiesthe characteristics of a substance
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proteinfood needed for growth and repair of tissues, also used to make enzymes.
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Pyramid of numbers
a diagram showing the number of organisms at each level of a food chain
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R
Ray diagramdiagram that shows which way light rays travel
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RDAsuggested amount of each nutrient which is needed daily to stay healthy.
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Reactantssubstances that react together during a chemical change
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Red blood cellscells in the blood which carry oxygen around the body
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Reflected raylight ray that bounces off a surface
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Reflectslight bounces off a surface
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