Primary General Science Glossary

This is a general primary science glossary. For class specific glossaries please go to the specific subjects


Browse the glossary using this index

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A

Ambient Temperature

The temperature of the surrounding air.

Amplifier

An electronic device that changes, usually increases, the strength or amplitude of a signal passing through it.

Amplifies

To make larger or more powerful; increase.

Amplify

To increase the volume of or ‘amplify’ sound.

Anemometer

An anemometer is a meteorological instrument that measures wind speed, either be gauging velocity or pressure.

Astrolabe

An ancient circular instrument used to observe and calculate the position of celestial bodies.

Atmosphere

The gases surrounding the Earth or any astronomical body of sufficient mass, held together by the gravity of the body.

Atoms

The smallest component of an element or ‘matter’ having the chemical properties of the element.

B

Bacteria

Very small living organisms made of only one cell which are present everywhere (the air, the soil, on the skin). Many types of bacteria can cause diseases, but others can be very helpful to humans.

Balance

A state of equilibrium

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