Science Terminology for 11-13 Yr Olds --- (Jon Witts)
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
P |
|---|
Producta substance that is made during a chemical change
| |
Propertiesthe characteristics of a substance
| ||
proteinfood needed for growth and repair of tissues, also used to make enzymes.
| |
Pyramid of numbers
a diagram showing the number of organisms at each level of a food chain
| ||
R |
|---|
Ray diagramdiagram that shows which way light rays travel
| |
RDAsuggested amount of each nutrient which is needed daily to stay healthy.
| ||
Reactantssubstances that react together during a chemical change
| ||
Red blood cellscells in the blood which carry oxygen around the body
| |
Reflected raylight ray that bounces off a surface
| |
Reflectslight bounces off a surface
| ||