Science Studies Weekly Hydrosphere

It is all the water on the Earth

• Geosphere

• Biosphere

• Hydrosphere

• Atmosphere

The hydrosphere covers a _____ % of the Earth surface

Water is found on the Earth in these states

• Solid (ice)

• Liquid water

• Liquid (carbon dioxide)

• Gas (water vapour)

Most of the liquid water on the Earth is ________

Why is the hydrosphere important?

• It provides a habitat for aquatic animals

• It does not provide water for animals and plants

• It absorbs the Sun's heat and regulates the temperature

• It pollutes water

Polluted water contains...

• Healthy substances

• Harmful substances

• Helpful substances

Most water pollution is caused by human activity in...

• Industry

• Architecture

• Agriculture

• Sewage

• Sports

Groundwater is rainwater that filters through cracks in the rocks and collects underground

• True

• False

___________ are places where groundwater comes to the surface

• Mouths

• Tributaries

• Natural springs

• Meanders

It is a continuous stream of fresh water

• River

• Lake

• Ocean

• Sea