Magnets

Which statement about magnets is true?

• Like poles repel each other
• Like poles attract each other
• Opposite poles repel each other
• Magnets of the same size attract each other.

Adam is holding up classroom objects found around the room that can be attracted to a magnet. Which item will stick to a magnet?

• eraser
• paper clip
• plastic spoon
• pencil

Stacy hid a paper clip in one paper hat. He hid a crayon in another paper hat. Sam held a magnet near each paper hat. What happened?  

   

• The hat with a crayon pushed away from the magnet.
• The hat with a crayon was pulled towards the magnet.
• The hat with the paper clip was pulled towards the magnet.
• Both hats stayed in their starting positions and did not move.

Maria placed an iron nail close to a magnet. What happened?      

• The nail bent.
• The nail moved to the magnet.  
• The nail stayed in the same place.
• The nail pushed away from the magnet.

In class, Justin's teacher showed the students how they could see the force lines surrounding a bar magnet. Afterwards, Justin waved a magnet across four piles of metal to see if he could see any force lines. Which metal pile would be attracted to a magnet?      

• aluminum
• brass
• copper
• iron

Anna Beth has a bowl full of a mixture of salt, iron powder, and sand. If Anna Beth puts the end of a magnet into the mixture, what will stick to the magnet?

• the sand
• the salt
• all of the ingredients
• the iron powder

Sarah is holding two bar magnets near each other. The magnets won’t stick together. What is Sarah MOST LIKELY doing?

     

• She is holding the magnets upside down. 
• She is holding the magnets too far apart.
• She is holding the same poles close together.
• She is holding the opposite poles close together.

What will happen if you put the north pole of a magnet close the south pole of another magnet?
         

• The magnets will attract each other. 
• The magnets will repel each other.  
• The magnets will break.
• Nothing will happen.

A magnet has a _____ pole and a _____ pole.                

• large, small
• East, West
• North, South
• hot, cold

What would you use to BEST block the force of a strong magnet?

           

• a block of wood
• a piece of cloth
• a piece of cardboard
• a ruler