Pushes & Pulls

What is the position of the blue marble?

• A. The blue marble is between two marbles.

• B. The blue marble is next to the yellow marble.

• C. The blue marble is to the left of the red marble.

• D. The blue marble is bigger than the green marble.

Moby is building a birdhouse. What happens when he hammers a nail?

• A. He is pulling the nail into the wood.

• B. He is pushing the nail into the wood.

• C. He is spinning the hammer to move it.

• D. He is making the nail lighter to push it.

Which item do you need to use the most force to pick up?

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Tags

NGSS.MS-PS2-2

Which is a force that slows down moving things?

• A. motion

• B. friction

• C. position

• D. machine

Which activity uses a pull?

• A. Picking a flower in a garden.

• B. Pressing a button on a phone.

• C. Stapling some papers together.

• D. Knocking over a glass of milk.

Grandpop gets a flat tire. He uses a jack to lift up his car. Why is a jack useful?

• A. It teaches you how to be safe when you drive a car.

• B. It makes your car push things with greater force.

• C. It helps a tow truck pull your car to a garage.

• D. It lets you use force to lift very heavy objects.

Why does it take more force to throw a baseball than a paper plane?

• A. because the baseball is heavier than the paper plane

• B. because the baseball is lighter than the paper plane

• C. because the baseball is round and the plane is not

• D. because the baseball is smaller than the paper plane

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which describes how fast something is moving?

• A. speed

• B. slide

• C. position

• D. force

Tags

NGSS.MS-PS3-1

Why might you slip more often on an icy road than a dirt road?

• A. because you need more force to walk on an icy road

• B. because there is less friction between an icy road and your feet

• C. because an icy road stops your motion better than a dirt road

• D. because an icy road changes position faster than a dirt road

Which statement is FALSE?

• A. The harder you push, the more force you use.

• B. You can push or pull to put things in motion.

• C. Friction is a force that can slow things down.

• D. You do not need force to move light objects.