VA SOL 6.8 - Wetlands & Watersheds Review

A watershed is

• a small building that stores water

• a mountain range

• an area of land that drains all runoff into a river or bay

• cloudy water that prevents plants from doing photosynthesis

The Chesapeake Bay is the largest estuary in the United States. What is an estuary?

• It is a high place that separates two watersheds

• It is a large area of land that drains rain into a bay

• It is a mixture of fresh and salt water

• It is the place where rivers meet the ocean

Fertilizer used to be cow manure spread on farm fields so plants would grow better, but today it is a mixture of chemicals sprayed on fields. What 3 chemicals are most commonly in fertilizer?

• Oxygen, hydrogen & nitrogen

• Nitrogen, phosphorus, & potassium

• Oxygen, potassium, and iron

• Phosphorus, sulfur, and lithium

Eutrophication , or a dead zone unable to support life, is what happens when there is too much _____________ _______________ in a body of water.

• nutrient pollution

• industrial pollution

• acid rain

• plastic pollution

A swamp is best defined as

• a flooded area filled with different types of grass

• a flooded forest

• a low place left over from the glaciers

• a place in Canada with alligators

A wetland is

• a shallow lake

• a shallow pond

• a little river

• the land at the edges of a lake, pond, or river that is sometimes wet and sometimes dry

A marsh is best defined as

• a flooded area with different types of grass

• a flooded forest

• a low place left over from the glaciers

• a place in Canada with alligators

When discussing watersheds, a divide is

• a swamp

• a little river that flows into a bigger river

• rain running off a hillside

• the high places that separate two different watersheds

A tributary is

• a stream that flows into a river or a river that flows into the bay

• a mountain range

• a high place that divides two watersheds

• the political boundary between two states

If water has a lot of sediment in it, what might be there?

• lots of dirt, sand, and tiny rocks floating in the water

• oil from cars floating on the surface

• oxygen

• happy fish