Magnet or Electric? Quiz Challenge

Which of the following is an example of an electric interaction?

• A compass needle pointing North

• A balloon sticking to a wall after rubbing

• A nail attracted to a magnet

• A paperclip pulled by a magnet

Which of these involves magnetic interaction?

• Charging a phone

• A paperclip sticking to a magnet

• Lighting a bulb in a circuit

• Static shock from touching a metal object

Magnetic forces can act at a distance without physical contact.

• True

• False

What makes electric interactions different from magnetic interactions?

• Only electric interactions involve forces

• Electric interactions involve charges; magnetic interactions involve moving charges or magnets

• Magnetic interactions need physical contact

• Both need batteries to work

Which material is ferromagnetic?

• Aluminum

• Nickel

• Copper

• Glass

Which material is paramagnetic?

• Wood

• Aluminum

• Iron

• Plastic

Which of the following is non-magnetic or diamagnetic?

• Plastic

• Steel

• Nickel

• Iron

Which statement best describes ferromagnetic materials?

• They repel magnets

• They are weakly attracted to magnets

• They are strongly attracted to magnets and can become magnets

• They cannot interact with magnetic fields

All metals are magnetic.

• True

• False

What kind of interaction happens when a rubbed comb picks up paper bits?

• Magnetic

• Electric