Moving air
Wind
Land animals need air to ____.
breathe
A machine that uses wind to create electricity.
Wind turbine
To burn things, we need a heat, fuel, and _____.
Air (Oxygen)
Air that is 'unclean' due to dust and smoke is called...
Air pollution
Air pollution is created by these 3 things.
Factories, cars, and forest fires.
3 ways to reduce air pollution.
Walking, cycling, public transport
These living things help reduce air pollution.
Trees
Atoms which are close together.
Solid
Atoms which are far apart.
gas
Atoms which are together but can easily move past each other.
Liquid
The solid form of water.
Ice
The gaseous form of water.
Water vapour
4 places we can find water.
Lakes, rivers, oceans, or underground
Water falls from the sky as ____ or ____.
Rain or snow
When a solid is absorbed by water, we say it d______.
dissolves.
