Browse the glossary using this index

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S

Source

place which light or heat comes from

South pole

end of magnet which attracts a north pole

Species

living things which can reproduce with one another

Spectrum

a range of light colours

Sulphur

a solid, yellow, non-metallic element

T

Temperature

how hot or cold a material is

Texture

the way that rock grains fit together

Thermal energy

heat energy in a material

Thermometer

device for measuring temperature

Translucent

a material that scatters visible light as it passes through it


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