Forces Benchmark

What is force?

• A. The ability to perform work

• B. A kind of weather

• C. A push or pull applied to an object

• D. Something you can’t see or feel

Which of the following is an example of a contact force?

• A. A magnet pulling a paper clip

• B. Gravity pulling an apple down

• C. Rubbing your hands together

• D. A balloon sticking to a wall

Which of the following is an example of a non-contact force?

• A. A person pushing a wooden box

• B. A table supporting a vase

• C. A person skating on a rough floor

• D. A magnet pulling a paper clip

Which of the following shows that a force has positive and negative charges?

• A. A balloon sticking to a wall after being rubbed

• B. A hand pushing a toy car

• C. A magnet pulling a metal spoon

• D. A ball falling to the ground

What happens when a positive and a negative charge come close together?

• A. They push away from each other

• B. They pull toward each other

• C. Nothing happens

• D. They both disappear

What happens when forces on an object are balanced?

• A. The object starts moving very fast

• B. The object keeps moving or stays still

• C. The object falls to the ground

• D. The object changes direction suddenly

When you use force to move something, what are you doing?

• A. Doing work

• B. Making electricity

• C. It gets heavier

• D. Turning on gravity

What is energy defined as?

• A. The unit of force

• B. The movement of an object

• C. The ability to perform work

• D. The amount of push or pull

How does your body use energy to make a force?

• A. By waiting for gravity to move things for you

• B. By using magnets inside your hands

• C. By charging up with static electricity

• D. By eating food that gives your muscles power to push or pull

Why does a compass always point north?

• A. The compass has tiny eyes to see direction

• B. The Earth is a giant magnet that pulls the needle

• C. The wind pushes the compass around

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  D. The compass makes its own electricity