Magnets 1
Which item is attracted to magnets?
A. glue
B. water
C. paper
D. metal
D. metal
Which term means to push away?
A. attraction
B. magnet
C. pole
D. repulsion
D. repulsion
True or false:
The farther away from the magnet, the stronger the attraction to metal.
False.
Which term means to pull toward?
A. attraction
B. magnet
C. pole
D. repulsion
A. attraction
Which term means one side of a magnet?
A. attraction
B. magnet
C. pole
D. repulsion
C. pole
True or false:
Each end of a magnet affects metal differently.
True.
Imagine that you dropped some nails behind a counter. You want to use a magnet to pull them out.
What question should you ask to successfully design a device to retrieve the nails?
A. Are the nails magnetic?
B. How wide is the counter?
C. What is the counter made of?
D. How many nails were dropped?
A. Are the nails magnetic?
Which object might use a magnet to work properly?
A. water bottle
B. jacket zipper
C. cabinet door
D. playground swing
C. cabinet door
What happens when the same side poles are facing each other? (South faces South and North faces North)
The north and south ends of the magnets would line up. This would cause the magnets to repulse each other/push apart.
Imagine that you use a magnet to pick up 12 paper clips. How many paper clips would you pick up with a magnet that is twice as large? Explain why.
Twenty-four; the larger magnet has twice as much force, so it can pick up twice the number of paper clips.
12 x 2 = 24