Electricity and Magnetism Olympic Game (5th)

Which of the following demonstrates static electricity?

• You know you should never put your fingers into an electrical outlet. You could get shocked.

• You bend a paper clip back and forth until it breaks. The broken ends feel hot.

• You feel a shock when you hand your ticket to the conductor on the train.

• You use a charger to charge batteries for a digital camera.

In which of the following ways are an electromagnet and a bar magnet alike?

• they both carry a current

• the both attract each other

• they both generate electricity

• both have magnetic fields

What is a property of matter that causes objects to attract or repel each other?

• compass

• electric charge

• electric circuit

• electric field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of these would NOT be attracted to a magnet?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-3

Amanda drove by the junkyard yesterday and noticed a large metal disk attached to a crane. It was used to pick up cars and then could drop them in a different location. What was this magnet MOST LIKELY called?

• Metallo-magnet

• magnetometer

• electromagnet

• electric circuit

Jason found two black rocks while he was out hiking in the mountains. When he brought them home, he discovered that one would stick to his steel door frame while the other would not. What conclusion can you make about the rocks he found?

• both are magnetic

• one is magnetic

• neither is magnetic

• no conclusion can be made

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following would be the BEST choice for conducting electricity through a circuit?

• pencil lead (graphite)

• plastic cord

• copper wire

• wool yarn

Tags

NGSS.MS-ETS1-2

Which of these is a good conductor?

• a plastic bag

• a piece of wood

• aluminum foil

• a sheet of paper

Many electrical wires are wrapped with a plastic coating because plastic is

• less expensive than steel

• more dense than copper

• able to keep its shape

• a good insulator

Tags

NGSS.MS-PS3-3

Which of these materials makes a good insulator of electricity?

• plastics

• salt water

• aluminum foil

• silver