Rocks, Minerals, Weathering, Soil, & Erosion Review

Which observation indicates that soil erosion is happening?

• The soil is deep and grows grass on top.

• The soil has deep gullies.

• A forest of pine trees grows on the soil.

• The soil is made of small living and non-living parts.

What is the movement of weathered materials called?

• fracture

• erosion

• cleavage

• weathering

Which soil layer would you expect to find the most clay in?

• bedrock

• topsoil

• subsoil

What forms after rocks have been weathered after many years?

• soil

• a stream

• valleys

• a lake

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Topsoil is dark in color because it contains the most water.

• True

• False

A home has a sloping backyard. The family puts in a retaining wall made of large boulders part way down the hill. Why?

• The boulders look nice.

• The boulders keep the soil in place.

• The boulders keep things from rolling.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which kind of rock requires heat and pressure in order to form?

• igneous

• metamorphic

• sedimentary

Where do MOST minerals form?

• above ground

• deep under ground

• when magma cools and solidifies

• from volcano ash

If the percent of water in this soil sample went up, which part of the soil would most likely go down?

• none of the below

• air

• water

• living things

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

There are a lot of shells and sand at the beach. The beach is a good place to look for......

• sedimentary rocks

• igneous rocks

• crystals

• metamorphic rocks

• volcanic rocks

Tags

NGSS.MS-ESS2-1