Earth's Changing Surfaces

______ is the natural process of breaking down rocks.

• weathering

• erosion

• deposition

• water

______ occurs when weathered bits of rock are loosened and moved somewhere else.

• weathering

• erosion

• deposition

• wind

Tags

NGSS.MS-ESS2-2

When the eroded pieces of sock or soil stop moving and settle, that is called _____.

• weathering

• erosion

• deposition

• living things

When tree roots grow into a crack in an rock and break it apart, this is an example of how ______ changes Earth's surface.

• water

• a living thing

• wind

• humans

Tags

NGSS.MS-ESS2-2

When a storm washes rainwater through an area, causing a landslide, this is an example of how _______ changes Earth's surface.

• water

• a living thing

• wind

• a human

Tags

NGSS.MS-ESS2-2

When rain water dries up and cracked, dried mud is left behind, this is an example of ______.

• water

• weathering

• deposition

• flooding

Tags

NGSS.MS-ESS2-2

Sand dunes change daily because _____ causes erosion and deposition in the dry desert.

• water

• wind

• living things

• humans

A ______ is sometimes placed in an area to protect the space from the wind.

• dust bowl

• windbreak

• dust storm

• erosion

Examples of how animals may cause erosion and weathering are ...

• A prairie dog burrowing a home underground.

• A snail scraping along the rocks as it eats algae.

• Animals trampling on plants as they forage for food.

• A mountain goat the knocks a rock from a steep edge.

A farmer can reduce erosion by ​ (a)   the soil. People can also make ​ (b)   , or levels on steep sides to keep ​ (c)   on the plants longer, instead of letting it wash right down the hills.

• tilling
• terraces
• rainwater

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1