Changes to Land

Where is one most likely to find rocks that have become smooth and rounded?

• At the bottom of the ocean

• Deep within the Earth

• On the top of a hill

• In a fast-moving river

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Caves are large empty spaces below the surface of the Earth. Which of the following processes forms caves over millions of years?

• Rivers carry mud and silt and then deposit them.

• Water flowing underground carries away minerals.

• Volcanic eruptions leave behind hollow areas.

• Ocean currents move sediments along the beach.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

A farmer notices that soil on the farm has been decreasing over the past few months. What environmental factor is most likely related to the loss of the soil?

• Recent heavy rains

• Steady increase in temperatures

• Abundant crop yields

• Decrease in temperatures

Tags

NGSS.MS-ESS2-2

This rock formed over many millions of years. What force most likely created it?

• A glacier pushing rocks ahead of it

• A river bringing rocks down a mountain

• Wind-blowing sand carving large rocks

• A volcano blasting rocks great distances

Tags

NGSS.MS-ESS2-2

Dunes are large piles of sand that shift slowly around in deserts and on beaches. What causes the dune to move from place to place?

• Rushing rivers

• Blowing winds

• Freezing water

• Weathering rock

Tags

NGSS.MS-ESS2-5

A river flowing across the rocky surface of the Earth could create which of the following?

• Dunes

• Mountains

• Canyon

• Hill

Tags

NGSS.MS-ESS2-2

How could students best model the formation and movement of dunes?

• Pour water over piles of sand.

• Slowly drip wet sand into a tub of water.

• Use a spoon to dig a hole in a tray of sand.

• Use straws and blow piles of sand.

Tags

NGSS.MS-ESS2-2

When the students created the small pile of sand at the end of the flow of water, they modeled the formation of which of the following?

• Dunes

• Canyon

• Plain

• Delta

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What natural force formed the Grand Canyon by slowly cutting through the rock over many millions of years?

• A boulder

• A glacier

• A river

• A landslide

Tags

NGSS.MS-ESS2-2

A delta is made of sediments deposited at the mouth of a river. A delta forms where the river meets the ocean because the ocean--

• makes the river slow down and deposits sediment

• contains salt water and river have fresh water

• is usually much colder than the water in the river

• has powerful currents that weather rock on the shore

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4