Unit 5: Hydrology Review

Oceans contain nearly _______ % of Earth’s water.

• 3
• 66
• 50
• 97

The amount of water that is available to enter groundwater in a region is influenced by

• vegetation cover
• slope of the land
• type of rock found at the surface

• all of the above

Water vapor is converted from a liquid into a gas during which step of the water cycle?

• Condensation
• Precipitation
• Evaporation

Wetlands act as a buffer between land and high water levels and play a key role in minimizing the impacts of floods.

• true
• false

In the future, risk of flood can increase because of _________________.

• Urbanization
• Change in Climate
• Population Growth
• All of the above

Heavily vegetated lands are more likely to experience flooding.

• true

• false

The bottom of an aquifer is made by a rock that is ______________ to water.

• Permeable

• Impermeable

How could a long-term decrease in precipitation impact an area?

• it could increase the average water level of lakes in the area
• it could decrease the amount of possible inflitration in the area.

Which consequence could an exponentially growing human population have on a drinkable water?

• it could cause an increase in cases of waterborne diseases
• it could cause a decrease in needing water for survival.

Salinity means ___________.

• Density of a body of water.
• Dissolved salt content in a body of water.