Science final 2

Why is earth called the water planet?

• Nearly 3/4 of the Earth is made up of water.

• Nearly 1/4 of the Earth is made up of water.

• Nearly 1/2 of the Earth is made up of water.

What % of water is unusable to humans ?

• Less than 1%

• 1%

• 5%

• 3%

What is a water shed?

• A combination of bodies of water that go into one.

• A body of water that is clear with no sediments

• A land area that supplies water to the river system

What watershed do we live in?

• The Susquehanna River Watershed

• The Chesapeake Bay Watershed

• The Pacific Ocean Watershed

What is the largest watershed in PA

• The Susquehanna River Watershed

• The Chesapeake Bay Watershed

• The Pacific Ocean Watershed

What is a reservoir?

• A lake that stores water for human use

• An ocean that stores water for human use

• A lake that stores water not for human use

What is a wetland?

• A body of water where fish and other water animals live.

• A small body of water inside a bigger body of water

• An area of land that is covered in a shallow layer of water during some or all of the year

What are wetland beneficial to the environment?

• They provide habitats for living things, filter water and help control floods by absorbing extra runoff from heavy rain.

• They are not beneficial to the environment.

• They provide shelter for fish and other water animals.

What is weathering?

• Bodies of ice are formed

• It changes the minerals in rocks

• The process that breaks down rocks at Earth’s surface

What does weathering do?

• It breaks down mountains to hills and produces strange rock formations.

• It changes the minerals in rocks

• Builds up ice on lakes