Concepts about Magnetism

Magnet is a material capable of producing a magnetic field.

• TRUE

• FALSE

Magnets are used in motors and loudspeakers.

• TRUE

• FALSE

Magnetism is not linked to electricity.

• TRUE

• FALSE

Magnetic fields affect moving charges, and moving charges produce magnetic fields.

• TRUE

• FALSE

Changing magnetic fields cannot create electric fields.

• TRUE

• FALSE

Unlike poles --- each other.

• attract

• repel

A navigational instrument that has a magnetized hand that spins to locate geographic north using Earth's magnetic field.

• Radar

• Telescope

• Compass

A temporary magnet created by running current through coiled wires.

• Electromagnet

• Permanent Magnet

Bar magnets has two poles. What are they?

• Red and Green

• East and West

• Red and Blue

• North and South

What would you detect by using a compass, iron fillings, and iron objects?

• magnetic field

• gravity

• electricity

• direction