Electromagnetism

Which of these is not an example of an electromagnet.

• Refrigerator Magnet

• Speakers

• Computer Hard Drive

• Generators

Protons have a ____________ charge.

• negative

• neutral

• positive

Tags

NGSS.MS-PS2-3

Electrons have a ____________ charge.

• negative

• neutral

• positive

Tags

NGSS.MS-PS2-3

How do you make an electromagnet stronger?

• Add a motor and/or lightbulbs
• Add more light bulbs and/or wire coils
• add more wire coils and/or a switch
• add more wire coils and/or batteries

What does this image show?

• Parallel circuit

• Series circuit

• Magnet

• Electromagnet

What is an electromagnet?

• The interaction between electricity and magnetism

• The interaction between gravity and force

• The interaction between motion and speed

• The interaction between velocity and distance

Tags

NGSS.MS-PS2-3

What is a transformer?

• Converts electrical energy to mechanical energy

• Converts sunlight into food

• A device that increases or decreases the voltage of an alternating current

• Converts mechanical energy to light energy

What is a electric motor?

• A device that converts electrical energy to mechanical energy

• A device that converts mechanical energy to electrical energy

• A device that converts light to sound energy

• Something that doesn't move

Tags

NGSS.MS-PS3-5