Review Science Grade 2 Unit B Chapter 5

A___________is a useful material that comes from Earth.

• natural resource

• boulder

• and

• rock

What is a very big rock called?

• sand

• soils

• boulder

• oil

What is sand made of?

• tiny pieces of soild

• tiny pieces of glass

• tiny pieces of minerals

• tiny pieces of rock

__________ are nonliving materials that come from Earth.

• Sands

• Minerals

• Rocks

• Soils

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

When does erosion happen?

• when rocks or soil are moved by water or wind.

• when rocks or sand are moved by water or wind.

• when minerals moved by water or wind.

Tags

NGSS.MS-ESS2-2

__________is the breaking apart and changing of rocks.

• Erosion

• Weather

• Weathering

• Natural resourse

When is pollution ?

• Adding harmful things to the land, air,or water.

• Adding useful things to the land, air,or water.

• Adding useless things to the land, air,or water.

• Adding harmless things to the land, air,or water.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What is soil?

• A mixture of clay, sand, and humus

• A mixture of sand and rocks

• A mixture of minerals and sand.

Which sentence is not true about natural resources?

• They are useful

• They don't come from the Earth

• Some natural resources can be replaced after they are used

• Sunlight, water, and air are natural resources that can never be used up

A__________ is a safe place for plants and animals to live.

• House

• Shelter

• Refuge

• Factory

Tags

NGSS.MS-LS2-5