Magnets and Electromagnetism

This picture best illustrates the construction of a(n)

• magnet

• electromagnet

• series circuit

• parallel circuit

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 is true about electricity and magnetic fields?

• Electricity is needed to create any magnet.

• Electricity always creates a magnetic field.

• Electricity is stronger than a magnetic field.

• Electricity prevents magnetic fields from occurring.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What kind of magnet can be turned on and off?

• refridgerator magnet

• electromagnet

• magnetite

• iron

Tags

NGSS.MS-PS2-3

A compass needle responds to a magnetic field, because the compass needle is a

• A. generator.

• B. motor.

• C. magnet.

• D. transformer.

Tags

NGSS.MS-PS2-3

Which of the following is not a good conductor?

• Copper

• Silver

• Aluminium

• Plastic

Particles with opposite charges ____________ and particles with same (or like) charges ____________.

• attract, repel

• repel, repel

• attract, attract

• repel, attract

Tags

NGSS.MS-PS2-3

The picture above is an example of what?

• Magnetic field

• Electric field

• Repulsion

• Attraction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What would happen with the magnets in the picture above?

• They would repel

• Nothing

• They would attract

• They would repel and then attract

Tags

NGSS.MS-PS2-3

The ability of some materials to attract certain metals is called

• Electricity

• Magnetism

• Electromagnetism

• Atoms

Tags

NGSS.MS-PS2-3