The Water Cycle

Question 1

aquifer

Answer 1

An underground layer of sand, gravel, or porous rock that collects water and holds it like a sponge.

Question 2

transpiration

Answer 2

The process of giving off vapor containing water and waste products, especially through the stomata on leaves.

Question 3

runoff

Answer 3

A process by which water flows over the surface of the ground.

Question 4

reservoir

Answer 4

A natural or artificial pond or lake used for the storage of water.

Question 5

precipitation

Answer 5

A form of water, such as fog, rain, snow, ice, or sleet that condenses from the atmosphere and falls to Earth’s surface.

Question 6

hydrologic cycle = water cycle

Answer 6

The process by which water moves around the earth from the oceans to the atmosphere to the land and back to the oceans.

Question 7

evaporation

Answer 7

The change of a liquid into a vapor at a temperature below the boiling point.

Question 8

crystallization

Answer 8

This process occurs when tiny droplets of water in the atmosphere freeze, sometimes joining together in beautiful patterns forming snowflakes.

Question 9

condensation

Answer 9

The change of a gas or vapor to a liquid, either by cooling or being subjected to increased pressure.