Pushes and Pulls Lesson

What happens when he hammers a nail?

• He is pulling the nail into the wood.
• He is pushing the nail into the wood.
• He is spinning the hammer to move it.
• He is making the nail lighter to push it.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• A -- the red bowling ball.
• B -- the green baseball
• C -- the blue marble
• D -- the beach ball

Tags

NGSS.MS-PS2-2

Which is a force that slows down moving things?

• motion
• friction
• position
• machine

Tags

NGSS.3-PS2-1

Which activity uses a pull?

• picking a flower in a garden
• pressing a button on a phone
• stapling some papers together
• knocking over a glass of milk

A jack is used to lift up the car to fix a flat tire.  Why is a jack useful?

• It teaches you to be a safe driver.
• It makes your car push things.
• It helps a tow truck pull your car.
• It lets you use force to lift very heavy objects.

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

• because the baseball is heavier than the paper plane.
• because the baseball is lighter than the paper plane.
• because the baseball is round and the plane is not.
• because the baseball is smaller than the paper plane.

Tags

NGSS.MS-PS2-2

Which word describes how fast something is moving?

• speed
• slide
• position
• force

Tags

NGSS.MS-PS3-1

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

• because you need more force to walk o an icy road.
• because there is less friction between an icy road and your feet.
• because an icy road stops your motion better than a dirt road.
• because an icy road changes position faster than a dirt road.

Which statement is FALSE?

• The harder you push, the more force you use.
• You can push or pull to put things in motion.
• Friction is a force that can slow things down.
• You do not need force to move light objects.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a force?

• a push or pull

• a pull only

• a change in position

• a push only

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2