SCIENCE 4th Grade Review

Which of the following can break solid rock?

• only the growth of plant roots

• only movement of glaciers

• both growth of plant roots and movement of glaciers

• not growth of plant roots or movement of glaciers

Which of the following processes in NOT due to gravity?

• the flow of the river

• the settling of sand and soil in a river

• an avalanche

• water dissolving minerals in rocks

Tags

NGSS.MS-ESS2-2

About how much of the Earth's surface is covered by oceans?

• a little less than 1 percent

• a little less than 20 percent

• a little less than 50 percent

• a little less than 70 percent

This is an image of Mount Rushmore. This statue was carved on the side of a mountain more than 60 years ago. The faces on this granite statue are slowly wearing away. Which natural process causes this weathering away?

• blowing and wind and rain

• earthquakes

• sunlight and lightening

• water and floods

Tags

NGSS.MS-ESS2-2

Some friends are hiking up a mountain. They start wondering about how long it takes for a mountain to change its appearance. Which of the friend's explanations is best?

• Sanya: I think it must always take a long time for a mountain to change.

• James: I think that a mountain always changes quickly.

• Kelly: I think that sometimes mountains change slowly and sometimes quickly.

• Adam: I don't think mountains ever change.

What is the most likely cause of the rock breaking apart?

• water changing to ice

• water changing to vapor

• wind eroding the cracks

• wind make the rock fall

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Scientists think which of the following has affected the surface of the Earth?

• flowing water, such as rivers

• weathering processes

• earthquakes and volcanic eruptions

• all of these have affected the Earth's surface

Tags

NGSS.MS-ESS2-2

The accumulation of soil at the mouth of a river is an example of...

• conduction

• deposition

• erosion

• weathering

Tags

NGSS.MS-ESS2-2

In the winter, the pond starts to freeze. The ducks leave the pond. They migrate to warmer climates. Which statement explains the best reason why ducks migrate?

• The ducks have too many enemies in the winter

• The ducks have difficulty finding food

• The ducks have to lay eggs near water

• The ducks have too few places to hibernate

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why do scientists study fossils?

• to figure out what past climates were like

• to figure out how plants and animals have changed

• both of the above

• neither of the above

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2