Water Systems Quiz

What is the main function of a watershed?

• To increase evaporation rates

• To store groundwater

• To collect and channel precipitation to rivers and lakes

• To desalinate ocean water

How does porosity affect a rock's ability to hold water?

• The less porous a rock is, the more water it can hold

• The more porous a rock is, the more water it can hold

• Porosity does not affect water retention

• Porosity only affects the flow of water, not retention

Why are recharge zones considered environmentally sensitive areas?

• They are prone to flooding

• They are areas where pollution can enter the aquifer

• They are areas with high biodiversity

• They are areas with high mineral content

Where is most of the Earth's fresh water located?

• In rivers and lakes

• In the atmosphere

• In glaciers and polar icecaps

• In underground aquifers

What is the percentage of Earth's fresh water that is frozen?

• 77%

• 71%

• 50%

• 15%

What is the main consequence of pollution in a watershed?

• Increased water temperature

• Contaminating the water

• Decreased water flow

• Increased mineral content

Which type of rock is the least porous?

• Gravel

• Limestone

• Sandstone

• Clay and granite

What does the term "potable" refer to?

• Water that is safe to drink and has been treated

• Water that is used for irrigation

• Water that is found in contaminated sources

• Water that is used for industrial purposes

What is a reservoir?

• An artificial lake formed when a river is dammed

• A natural spring of fresh water

• A type of irrigation system

• A method of desalination

What is desalination?

• The process of removing salt from salt water

• The process of building a dam

• The process of irrigation

• The process of treating potable water