Watersheds

The boundary around a watershed is called the

• watershed.

• divide.

• sub-watershed.

• transpiration.

All water eventually empties into

• an ocean

• a river

• the ground

• a lake

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Water that flows along Earth's surface to eventually return to the ocean is called ___.

• Runoff

• Storm drain

• Surface water

• Tributary

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Watersheds can consist of smaller subwatersheds.

• true

• false

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Why is gravity a factor in watersheds? 

• it causes the water to flow away from a watershed
• it causes the water to flow down towards a watershed

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What is a body of water that combines freshwater from rivers and lakes with saltwater from the ocean?

• Estuary

• Floodplain

• Wetland

• Tributary

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What is a land area that can be covered with water at various points throughout the year?

• Estuary

• Floodplain

• Wetland

• Tributary

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What is a channel of water that flows into a larger one?

• Estuary

• Floodplain

• Wetland

• Tributary

What is the flat area of land that has sediment deposited when water overflows from rivers?

• Estuary

• Floodplain

• Wetland

• Tributary

Which watershed is the largest in the United States?

• Mississippi River Watershed

• Potomac River Watershed

• Shenandoah River Watershed

• James River Watershed