SCIENCE Term 2 Year 7 - Change of state

boiling

A rapid change of state from liquid to gas, with vigorous bubbling.

change of state

A transition between forms of matter when energy is added or removed.

compressible

Able to be squeezed into a smaller space.

condensation

A change of state from gas to liquid.

deposition

A change of state from gas to solid.

evaporation

A change of state from liquid to gas at the surface of a liquid.

fluid

Able to flow and change shape.

freezing or solidification

A change of state from liquid to solid.

gas

A substance with no fixed shape or volume.

incompressible

Unable to be squeezed into a smaller space.

liquid

A substance with a fixed volume that flows and changes shape.

matter

Any substance that takes up space and has mass.

melting

A change of state from solid to liquid.

particle model

The idea that all matter is made up of tiny particles.

rigid

Unable to bend, flow or change shape.

solid

A substance with a fixed shape and volume.

freezing or solidification

A change of state from liquid to solid.

state of matter

One of the forms that matter can take, such as solid, liquid or gas.

sublimation

A change of state from solid to gas.

water vapour

Water in its gas state.