Landslides/Erosion

What is a landslide?

• a very high mountain in Hawaii

• a very deep hole in the ocean floor created by volcanic eruption

• a sudden and rapid movement of rocks and soil down a slope

Tags

NGSS.MS-ESS2-2

  Landslides can change the direction of creeks or streams.

• True

• False

Tags

NGSS.MS-ESS2-2

Why can landslides be dangerous?

• because they erupt and destroy landscapes

• because they can burn your skin

• because rocks and debris can fall and hit people, cars, etc.

Tags

NGSS.MS-ESS3-2

What can cause landslides?

• can be caused by earthquakes, volcanoes, or heavy rains

• dry land, erosion and deptision

• can be casued by adding heat

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

What will likely happen next?

• The house will not move.

• The house will fall into the water with more erosion.

• The house will be rebuilt in the same place.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

What is one way to help prevent erosion?

• Plant trees, shrubs, grass, etc.

• Cover an eroded area with cement.

• Have a sprinkler system installed in the eroded area.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1

How do plants like trees and grasses help prevent erosion?

• The roots grow underground a break apart the rock.

• Their roots grab onto the soil and hold it in place.

• The leaves break down the topsoil.