4. Formsof water
Ice is a solid at 0ºC. Water turns to a solid when it’s
very cold.
Water vapour is a gas at a 100ºC. Water turns to a gas
when it’s very hot.
0ºC
100ºC
5. Water and land
The Earth is covered with water and land. There is
more water than land on the Earth. In fact, the Earth is
called the “blue planet” because of the water.
Land
Water