Lesson Check Magnetism

Which device uses a magnet?

• light bulb

• fuse

• compass

• circuit breaker

____________ is the ability of an object to push or pull on another object made of iron, stell, or nickel

• Magnetism

• Force

Several metal thumbtacks spilled on the classroom floor. Which tool should be used to pick them up in the fastest and safest way?

• bar magnet

• battery

• pair of tweezers

• piece of steel

You just accidentally dropped a paper clip into your water bottle. You have a fork, a magnet, and string. How could you use the magnet to help you retrieve the paper clip without losing any water?

In which of the following situations could the outcome of the scenario be improved by using a simple magnet? Select all answers that apply.

• Hanging a poster on your bedroom wall

• Displaying a picture in the kitchen for everyone in your home to see.

• Getting a better score on your favorite video game.

• Finding a screw dropped on the ground when fixing a chair.

Your metal screen door will not stay shut. How could a magnet solve this problem?

• Add a large magnet to the door to make it heavier.

• Attach the magnet to the screen to make it attract the metal.

• Replace the handle with a magnet to simplify opening and closing the door.

• Create a latch with one magnet on the door and one magnet on the door frame.

A person can use a magnet to move a game piece from one space to another if the game piece is made of _________________.

• metal

• wood

Which pair of magnetic poles attracts one another?

• two north poles

• two south poles

• one north pole and one south pole

A teacher gives Tori a problem to solve. The teacher gives her a mixture of iron filings and table salt on a paper plate. The teacher tells Tori to use one of the tools shown to separate the iron filings from the salt without touching the mixture with the tool.

Describe how Tori can solve the problem with one of the tools. Explain why using this tool better solves the problem than using one of the other tools.