CBA 3 Review — Grade 2

Christine has filled a plastic shoebox with sand. She wants to use the box of sand to show how sand dunes form. What would be the BEST way?

• Tilt the box back and forth.

• Sprinkle the sand with water.

• Dig in parts of the box with a shovel.

• Use a straw to blow air over the sand.

Tags

NGSS.MS-ESS2-2

Observe the rocks by the stream. Four of the rocks are labeled. Select the rock that the stream is MOST likely to pick up and carry a long distance.

• A large boulder in the middle of the stream, with water rushing over it.

• A small rock at the edge of the stream.

• A medium size rock also at the edge of the stream.

• A small rock far off to the side of the stream on dry ground.

Lyman wants to get rid of an empty plastic bottle. Where should he put it so that the plastic is not wasted?

• first container

• second container

• third container

Tags

NGSS.MS-ESS3-3

Which landform is made by the wind?

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Which material does the wind blow farthest?

• sand

• wet soil

• large rocks

Which force formed the canyon?

• strong wind

• flowing water

• volcanic eruption

• earthquake

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Which body of water can move the heaviest rocks? Choose the picture that best shows this body of water.

• a fast-moving river

• a calm lake

• a quiet swamp

The Johnson family wants to reuse a shopping bag for many months. Which shopping bag is the best choice?

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Tags

NGSS.MS-LS2-5

How do sand dunes form on a beach?

• Water waves push sand into dunes.

• Water waves drop the sand they carry.

• The wind blows sand into dunes.

• Ants and other animals pile sand into dunes.

A river can pick up and carry many small rocks. When will the river drop the rocks?

• about a minute after it picks them up

• about an hour after it picks them up

• when the river speeds up

• when the river slows down

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5