Science 5 - Activity revision

_________ is a slowly moving body of ice on land.

• ice caps

• glacier

• sleet

• snow

Earth’s water is not evenly __________   or spread out.

• moving

• saline

• currents

• distributed

To help solve the problem, people built ________, places to collect and store water.

• basin

• lakes

• ponds

• reservoirs

__________, or a swirling motion, moves ocean water around the globe.

• precipitation

• condensation

• evaporation

• circulation

Ocean water is also moved by ________ or rising and falling patterns caused by the pull of gravity.

• tides

• poles

• winds

• temperature

Worldwide, about 1 billion people always have access to clean water.

• true

• false

Adding the problem is water pollution and habitat destruction. More than half of the world’s wetlands have disappeared. 

• true

• False

Water temperatures change with latitude because of the angle of Earth's axis and its relation to the sun.

• true

• false

In places where rivers empty into the ocean, freshwater mixes with saltwater. Those areas have lower salinity.

• false

• true

Surface water around the equator evaporates more quickly than at the poles. Deep ocean water receives less sunlight and is colder than surface water, even at the equator.

• true

• false