Are you Magnetic?
Our white board?
Yes!
What is the word that describes when magnets pull toward each other?
Attract
True or false. Permanent magnets are always magnetic.
True
True or false. The earth's magnetic field is stronger than a magnet's magnetic field.
False.
Which is NOT a use for magnets? A. seperating iron from other magnets B. keeping cabinets doors closed C. heating an object D. storing information in computers
C. heating an object.
A penny?
What is the word that describes when magnets push away from each other?
Repel
Magnets have two ends, called ___________.
Poles
Why did the magnet move the compass needle when brought up next to it?
The magnet's magnetic field is stronger than the earth's magnetic field.
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?
The two magnets' south sides or north sides are facing each other, so they are repelling.
A paper clip?
Yes!
If I put the north pole of one magnet towards the south pole of another magnet what will happen?
They will attract.
What is a magnet attracted to?
Iron
What is a temporary magnet?
A magnet that stays magnetic only temporarily.
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
A piece of paper?
NO!
If I put the south pole of one magnet toward the south pole of another magnet what will happen?
They will repel.
What is necessary to create an electromagnet?
Copper wire, battery, and magnet.
Wrapping the wire around the iron object more.
Currents in a magnet flow from:
A. North to South
B. South to North
A. North to South
A laptop?
Yep!
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?
They aren't in each other's magnetic field.
What type of magnet is similar to the earth's magnetic field?
Bar magnet.
What is an example of a permanent magnet?
ex. Fridge magnet
True or False: Magnets attract all metals.
False