States of Matter Word Search

Words in the States of Matter word search

Every word used across the three levels, with a quick note on what it means.

solid

Matter that keeps its own shape and firm volume

liquid

Matter that flows and takes the shape of its container

gas

Matter that spreads out to fill any space it enters

ice

Water in its solid state, below zero degrees Celsius

steam

Hot water vapour rising from boiling water

water

The clear liquid that covers most of Earth's surface

melt

To change from a solid into a liquid by heating

freeze

To change from a liquid into a solid by cooling

boil

To heat a liquid until it turns rapidly into gas

shape

The outline of an object, fixed only in solids

vapor

A substance in gas form, often from a liquid

matter

Anything that takes up space and has mass

particle

A very small piece of matter, such as an atom

volume

The amount of space that a sample of matter fills

density

How much mass is packed into a given volume

plasma

A very hot state of matter found in stars

molecule

Two or more atoms joined together as one unit

condense

To change from a gas back into a liquid

evaporate

To change slowly from a liquid into a gas

pressure

The push of particles against the walls around them

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