1º ESO UNIT 4 Hydrosphere

Apart from the atmosphere, water vapour comes from...

• Volcanic activity

• glaciers

• estuaries

The most common component of seawater is sodium..

• phosphate

• chloride

• hydroxide

Waves are mainly produced by...

• gravitational forces

• earthquakes

• the wind

Water vapour rises, cools down, and then...

• turn into cloud

• turns into rain

• turns into surface runoff

Because of the strong bonds between water molecules...

• fish can breathe in the water

• water stays liquid from 0ºC to 100ºC

• It cannot dissolve oil

How many litres of water should an adult human being drink each day?

• 1

• 15

• 1,5

Groundwater accumulates from

• rainwater

• seawater

• drinking water

Coastal regions generally have...

• colder climates

• warmer climates

• drier climates

Which of the following statements about groundwater is false?

• Wells are water pumping systems for aquifers.

• There is plenty of water anywhere under the surface of the Earth. This is why drilling wells makes sense.

• Groundwater can escape from Earth in springs. These occur where the impermeable layer is cracked or mixed with permeable rock

• The rainwater accumulates in areas of permeable rock, sand or gravel, known as aquifers

Type of wetland found at the edge of other bodies of water, such as riversc, lakes and the sea. They can be formed of fresh, salt or brackish water and often flood.

• Marsh

• Estuary

• Lagoon

• Lake