Human Impact Test Review

What is a watershed?

• Area of land shaped like a circle where water flows

• Area of land where all the soil flows to one point

• Area of land where all the water flows to one point

• When water floods a shed

Tags

NGSS.MS-ESS2-4

What is percolation?

• a coffee filter

• liquid slowly passing through a filter

• liquid quickly flushing through a filter

• groundwater

Tags

NGSS.MS-ESS2-4

Why do streams always flow to the ocean?

• Because the rivers flow south to the ocean

• The ocean would completely dry up otherwise

• The water flows from high elevation to low elevation

• The salts have to mix to make ocean water

Tags

NGSS.MS-ESS2-4

Which of the following are POSITIVE effects for a watershed?

• They contribute to biodiversity

• They can provide power

• They can help concrete foundation

• They provide clean water for our cities and farms

How do humans NEGATIVELY affect watersheds?

• We use too much water sometimes

• We take showers

• We build over rivers and streams

• We use fertilizer on our yard

Tags

NGSS.MS-ESS3-4

What is succession?

• When animals succeed.

• When plants succeed in an area.

• A natural process where life is recovered in an area.

• A natural process where dirt is destroyed.

Tags

NGSS.MS-LS2-3

Does secondary succession start with soil?

• Always

• Never

Which would cause primary succession to occur?

• A wildfire

• An ocean wave floods the shore

• Mowing the lawn

• A glacier removing all life from an area

Tags

NGSS.MS-LS2-4

What event would cause secondary succession to occur?

• A wildfire

• A volcanic eruption

• Mowing the lawn

• A glacier removing all life from an area

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which happens faster?

• primary succession

• secondary succession