WEALD Y7 Hydrological cycle learning check

Evaporation is...

• The sun heats water liquid which turns into a gas called

  water vapour.

• The water vapour cools in the sky and turns back into water liquid.

• When water hits the land, some of it flows into rivers.

Transpiration is

• The water droplets become bigger and heavier and fall from the sky as rain or snow.

• Some water is soaked up by the soil.

• Some water is used by plants and trees and then they return this water vapour back into the sky from their leaves.

Condensation is

• Some water sinks into the rocks underground.

• When water hits the land, some of it flows into rivers.

• The water vapour cools in the sky and turns back into water liquid.

Precipitation is

• The sun heats water liquid which turns into a gas called water vapour.

• The water droplets become bigger and heavier and fall from

  the sky as rain or snow.

• The water vapour cools in the sky and turns back into water liquid.

• Water flows though the soil.

Infiltration is

• Some water sinks into the rocks underground.

• Water flows through the rocks underground.

• Some water is soaked up by the soil.

What % of Earth is covered by water?

• 50%

• 75%

Surface runoff is

• When water hits the land, some of it flows over the surface.

• Water flows though the soil.

Throughflow is...

• When water hits the land, some of it flows into rivers.

• The water vapour cools in the sky and turns back into water liquid

• Water flows though the soil.

What % of the Earth's water is contained in the seas and oceans?

• 97%

• 50%

• 2%

• 100%

True or False: The water from your tap could contain molecules that dinosaurs drank

• True

• False