Electromagnetic Force Posttest Review

An air hockey table uses air to make the puck move faster because it...

A lightbulb only conneted to a switch and a positive side of a battery will light.

A motor turns ________ energy into ___________ energy.

A __________ is needed to make an object to move.

To make an object stop moving, you need to apply a force____________.

If a student has a magnet on top of a desk and one under the desk, why would the magnet on top move?

A generator turns ________ energy into ____________ energy.

Students take the insulation off a wire and try to make an electromagnet, it doesn't work. How can they make it work?

A student pushes a cart against a wall, the cart doesn't move, why?

What is the relationship between distance and magnatism?

Two magnets are held together so the south poles are touching each other, what will happen when they are released?

Why would a nail attacted to a magnet be able to pick up a paper clip?

In order for motor to work, one side has to be hooked to the negative and one side to the positive of a battery.

What would make an electromagnet stronger?

Three soccer player kick a ball at the same time the ball doesn't move, why?

If someone's house is powered by a hydroelecric dam, where does the energy start?

What kind of energy is created when a light is turned on?

Two students try an experiment, student one changes one thing, student two changes two things, whose experiment is best?