3rd Grade Magnets

What device uses a magnet?

• Light Bulb

• Fuse

• Compass

• Circuit Breaker

​ ​ (a)   is the ability of an object to push or pull on another object made of iron, steel, 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

Turn and talk with your neighbor: 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 your kitchen for everyone 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.

• 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
(a)   ​

• Metal
• Wood

Which pair of magnetic poles attracts one another?

• two north poles

• 
  two south poles

• one north pole and one south pole

• one neutral pole and one south pole