What is the word that describes when magnets pull toward each other?
attract
100
All magnetic things must contain _________.
iron
100
How can a magnet help you?
A magnet can hold things, help you find metals, they are also found in computers and phones
100
Which is NOT a use for magnets?
A. separating iron from other magnets
B. keeping cabinets doors closed
C. heating an object
D. holding objects
C. heating an object
200
A penny?
No
200
What is the word that describes when magnets push away from each other?
repel
200
Magnets have two ends, called ___________.
poles
200
What happened when we tried to attract a paperclip to a magnet through water?
The magnet attracted the paperclip anyway
200
You glue a small magnet to a box lid and another to the edge of the box. The lid pops back open every time you close it. What can you infer about the two magnets?
They are repelling because the same poles are facing one another
300
A paper clip?
Yes, if it contains iron
300
If I put the north pole of one magnet towards the south pole of another magnet what will happen?
They will attract
300
What is a magnet attracted to?
Magnets can be attracted to objects that contain iron
300
Name some objects that a magnet would attract
(Answers may vary) iron, paperclip, nail, screw, etc
300
Picking Up Paper Clips
Magnet A picked up 4 paper clips. Magnet B picked up 7 paper clips. Magnet C picked up 5 paper clips.
Which magnet is the strongest?
Magnet B
400
A piece of paper?
No
400
If I put the south pole of one magnet toward the south pole of another magnet what will happen?
They will repel
400
What objects in the list are not attracted to a magnet?
rubber band, penny, leather glove, cotton ball, metal screw
rubber band, leather glove, cotton ball
400
How is the Earth like a magnet?
The Earth has a north and south pole and a magnetic field
400
Magnet A picks up six paper clips. Magnet B picks up eight paper clips. What conclusion can you draw?
Magnet B is a stronger magnet
500
A car?
Yes
500
Ted and Fred find two magnets that attract each other. Each boy holds one in the air facing the other. They let go and the magnets move towards each other in the air. They take 4 steps back and do the same thing. This time the magnet falls to the floor. Why?
The magnetic field of each magnet may be too far away to attract
500
Which direction does a compass always point?
North
500
Does every magnet have a magnetic field?
Yes
500
As hard as Jack tries, he can't get two horseshoe magnets to stick together. What could he do to get them to attract?
He can make sure that like poles are facing each other, because like poles attract and same poles repel