Hydrology Quiz 2 Review

A semi-enclosed area where fresh water from a river meets salty water from the ocean.

• watershed

• groundwater

• ocean

• estuary

Tags

NGSS.MS-ESS2-4

A natural system linking by living (plants, animals) and nonliving (soil, air, water) things.

• ecosystem

• watershed

• river basin

• estuary

Which is the correct statement regarding estuaries?

• it supplies fresh water to lakes

• it supplies all of the minerals that make ocean water salty

• it prevents salt water from entering a river

• it acts as a filtering system to remove some pollutants from water runoff

Why is fresh water is such a short supply?

• most fresh water is frozen in ice sheets

• most fresh water is trapped underground

• most fresh water is cycling in the atmosphere

• most fresh water is in the bodies of plants and animals

Tags

NGSS.MS-ESS2-4

Why is water from an aquifer more likely to be cleaner than water from other sources?

• because it forms where fresh and salt water meet

• because it receives water directly from precipitation

• because it rises to the surface near the ocean

• because pollutants are filtered by the soil as the water moves into the ground toward the aquifer

Tags

NGSS.MS-ESS2-4

Which best explains why inhabitants of an estuary must adapt to frequent environmental changes?

• estuaries receive very little sunlight

• brackish water is always warm

• the water has very low levels of oxygen

• the salinity level is constantly changing due to tides, floods, and droughts

Tags

NGSS.MS-LS2-4

As water in a river basin moves downstream, it can transfer

• sand, silt, and gravel

• bacteria & organic matter

• chemicals & excess nutrients

• all of the above

Tags

NGSS.MS-ESS2-4

How do wetlands help control water flow?

• they add water to a river, increasing flooding

• the act like sponges, absorbing excess water and filtering pollutants

• the are dry most of the year, but absorb water during rainy seasons

• they are completely separate from streams and rivers and do not affect the amount of water

Tags

NGSS.MS-LS2-5

An area of land that drains in to a river is called a ______

• estuary

• ocean

• river basin

• beach

Water that is stored in the pores, or cracks, below the surface of Earth is called

• river basins

• streams

• estuaries

• groundwater

Tags

NGSS.MS-ESS2-4