ENV Water Quiz Review

Which process of the water cycle is similar to water droplets forming on grass early in the morning?

• precipitation

• condensation

• evaporation

• runoff

An underground area of sediment and rock that is filled with groundwater is a?

• watershed

• reservoir

• geyser

• aquifer

How much of the Earth's surface is covered by water?

• 97%

• 71%

• 29%

• 17%

This is responsible for keeping water constantly moving in the water cycle?

• sunlight

• wind

• earthquakes

• molten core of Earth

What percentage of the Earth's water is saltwater, and cannot be used by people?

• 99%

• 97%

• 71%

• 3%

When water changes from a liquid to a gas, it is called?

• evaporation

• transpiration

• runoff

• condensation

The upper level of the groundwater is called?

• water table

• groundwater

• aquifer

• reservoir

What are the dangers of excessive growth of algae and plants

• They might take up too much room

• They block sunlight for other organisms

• They do not harm other organisms

• Other organisms eat them and they are toxic

Match the following

•  the relationship between living and nonliving parts of the environment

• Ecosystem

• living things

• Abiotic

• Nonliving things

• Biotic

The higher the temperature, the more dissolved oxygen in water.

• True

• False