Where is most of the Earth’s water found?

• rivers

• groundwater

• oceans

• atmosphere

Which is correct about water?

• When frozen, it is denser than liquid water.

• Water can store a large amount of heat.

• Water exists only in liquid form on Earth.

• Most water is freshwater.

Freshwater can enter a surface-water body such as a lake as:

• precipitation

• groundwater flow

• runoff

• all of the above

Which of the following materials is likely to be least permeable?

• pure clay

• plastic sheeting

• gravel

• fine sand

______________ currents move water from the equator toward the poles.

• Warm

• Cold

• Hot

• Cool

Most water vapor enters the atmosphere by the processes of:

• convection and radiation

• condensation and precipitation

• evaporation and transpiration

• erosion and conduction

______________ currents move water from the poles to the equator.

• Warm

• Cold

• Hot

• Cool

Which of the following is NOT a primary use of water in the household?

• bathing

• drinking water

• watering the garden

• manufactured goods

The ______________ is a distance underground where the ground is saturated with water.

• bedrock

• water table

• flood zone

• watershed

______________ and well drilling can lower groundwater aquifers to the point where they cannot be used until they are regenerated.

• Infiltration

• Overuse

• Precipitation

• Runoff

• Drought