Browse the glossary using this index

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E

Eardrum

membrane that vibrates when sound reaches it

Earth’s magnetic field

magnetic field around the Earth

Echo

sound reflected off a surface

Ecosystem

the habitat and the community interacting withinit

egested

when undigested waste leaves the body via the anus.

Electromagnet

magnet formed by electric current passing through a coil around a wire

Elements

the simplest substances

energy

ability to do work.

Energy transfer

energy moving from one place to another

Environmental conditions

the conditions in a habitat which affect what can survive there


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