More about water

Water (H20) is made up of 1 hydrogen atom and 2 Oxygen atoms.

Compound: Yes

Element: No

Boiling point: 100 °C

Formula: H2O

Melting point: 0 °C

Gas: Water vapour

States: Solid - ice, Liquid - water, Gas - water vapour

Water vapour is a greenhouse gas.(keeps the Earth warm enough to support life) When liquid water is evaporated it form water vapour

Some other facts about water

the weight of a gallon of water is around 8.34lbs (pounds)

Water covers around 70% of the Earth’s surface.

Water has no smell and no taste, it also has a pH level of 7.

Water from a sea or ocean is known as seawater. On average, every kilogram (2.2lb) of seawater contains around 35 grams (1.2 oz) of dissolved salt.

The water cycle

Precipitation - rain

Percolation - water goes running through the ground

Evaporation - heats up the water into water vapour which is a gas

Transpiration - this is the same as evaporation but it is the water on the leaves

Condensation - the water vapour condenses and becomes rain