Hydrology cycle - Topic 1

The amount of water on Earth is

• always the same

• constantly changing

• steadily increasing

• steadily decreasing

   Which of the following is the largest reservoir within the hydrologic cycle?

• ice sheets

• the oceans

• groundwater

• the atmosphere

The amount of precipitation that soaks into the soil depends on

• how long the rain lasts.

• whether or not there are plants around.

• whether the soil is wet or dry.

• all of the choices

   How does global warming affect the hydrologic cycle?

• It causes random variations in the cycle.

• It doesn't affect the cycle at all.

• It causes the cycle to accelerate.

• It causes the cycle to decelerate.

Where is most of the earth's fresh water stored today?

• in polar ice sheets

• in rivers and lakes

• in the oceans

• in groundwater

Water vapor is a greenhouse gas that helps regulate the temperature of the earth's atmosphere.

• True

• False

Globally, precipitation far exceeds evaporation.

• True

• False

Precipitation that falls near the equator is most likely to fall as

• snow into the ocean.

• snow onto a glacier.

• rain into the ocean.

• rain onto land.

The process by which water is taken up by plants and released into the atmosphere is called

• condensation

• evaporation

• precipitation

• transpiration

Where does the energy to drive the hydrologic cycle come from?

• Earth's interior

• the sun

• plate tectonics

• photosynthesis