Hydrosphere-Biosphere Quiz

The world ocean covers what percent of the Earth?

• 20
• 50
• 70
• 90

Which ocean is the largest

• Indian
• Atlantic
• Pacific
• Antarctic

The energy for the water cycle comes from the sun..

• True
• False

In general ocean currents in the Northern Hemisphere more clockwise.

• True
• False

The rock layer that stores water and allows the flow of groundwater is called .......

• an aquifer
• the recharge zone

The area of land where water re-enter the aquifer is called .....

• a tributary
• recharge zone

The oceans serve as a global thermal regulator.

• True
• False

Most of the world's fresh water is in .....

• rivers
• lakes
• streams
• icecaps and glaciers

the boundary between warm water and cold water is called...

• bottom currents
• thermocline

A river system is a network of streams which drain an area of land.

• True
• False