Electricity and Magnetism

Which image shows a complete circuit?

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• 
• 
• 

Which of the following is a list of insulators?

• wood, plastic, copper

• wood, cotton, plastic

• iron, cotton, gold

• nickel, gold, iron

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is a list of conductors?

• nickel, iron, gold

• wood, cotton, rubber

• gold, iron, cotton

• nickel, plastic, gold

Which shows magnetic attraction?

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• 
• 
• 

Tags

NGSS.MS-PS2-3

Which shows magnetic repulsion?

• 
• 

Tags

NGSS.MS-PS2-5

What type of electricity is being transformed in the circuit shown?

• sound energy

• heat energy

• light energy

• chemical energy

What type of electricity is being transformed in the picture shown?

• heat energy

• chemical energy

• light energy

• sound energy

What is the best way to strengthen an electromagnet like the one shown?

• wrap more coils of wire around the iron nail

• unwind the coil

• add a light bulb

Tags

NGSS.MS-PS2-3

What is another way to strengthen the electromagnet shown?

• add a switch

• add another battery

• use a gold nail instead

Tags

NGSS.MS-PS2-3

In an electromagnet, what happens when you add more coils around a magnetic core, like iron?

• the electromagnet becomes weaker

• the electromagnet becomes stronger

• there is no difference