Electricity, Magnetism, and Electromagnet Practice

What happens to two objects if  they both have the same charge?

• The charges of the two objects would attract
• The charges of the two objects would repel.
• Nothing would happen.

Tags

NGSS.MS-PS2-3

What would need to happen for two magnets to repel each other?

• The two south seeking poles or the two north seeking poles would need to face each other.
• The north seeking pole would need to face the south seeking pole only. 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How would you make an electromagnet?

• By attaching a wire to a magnet and then connecting it to a battery. 
• By wrapping a wire around a piece of metal. 
• By wrapping a wire around a nail and connecting it to a battery. 

What is a conductor?

• A material that allows electricity to flow through it freely. 
• A material that does not allow electricity to flow through it freely. 

What is an insulator? 

• A material that allows electricity to flow through it freely. 
• A material that does not allow electricity to flow through it freely. 

An example of a conductor is... 

• rubber band
• cardboard
• paper clip 
• tape

Tags

NGSS.MS-PS2-3

An example of an insulator is...

• copper
• eraser
• metal nail
• gold ring

Tags

NGSS.MS-PS3-3

What are two different kinds of electricity?

• static and electric current
• magnetic and electric current
• static and magnetic current

Closed circuit or opened circuit?

• Closed  
• Open

If I am attracted to you and pulled toward you, we must be

• the same charges

• opposite charges

• upside down

• right side up

Tags

NGSS.MS-PS2-3