Science Unit 3 Quiz

A magnet could be used to sort

• plastic beads and metal paper clips

• apples and bananas

• metal paperclips and metal staples

A boy has plastic alphabet blocks that stick onto his steel refrigerator. What is inside the alphabet blocks that allows them to stick to the refrigerator?

• a staple

• a magnet

• a thumbtack

What surface can a student most likely use to hang a magnetic picture frame?

• wooden door

• metal door

• stone wall

A class discussed how magnets are used in everyday life. Which is a good use for a magnet?

• A magnetic strip can hold a refrigerator's door tightly closed

• A magnet can be used to hold a picture to a wooden door

• a large magnet can help water drain from a bathtub

Which objects can be pulled by a magnet?

• metal paper clip

• crayon

• penny

• marble

• safety pin

How can magnets be used in the kitchen?

• Sink faucets have magnets that turn the water off and on

• Some can openers have magnets that hold cans in place

• Forks, spoons, and knives are magnetic to keep food from falling off

How does a merry go round move?

• It slides

• It spins

• It rolls

If a toy car goes down a ramp, how would it move?

• It would spin

• It would roll straight down

• It would zig zag down

Tornados and hurricanes are very dangerous because

• they roll really fast

• they spin really fast

• they slide really fast