LAB- 5 E's and EM's

Match it! Select the correct answer from the pull down...Good luck!

A substance consisting of a coil of wire with an iron core and is only magnetized when an electric current flows through it is called

What would be an independent variable in an experiment where the testable question is, Which paper towel brand is the strongest?

Which variable values should be the same for all groups in the experiment?

An instrument which uses magnet to give direction is known as

The north pole of one magnet attracts

What do magnets do?

Which variable do you test (the effects of) in a scientific investigation? Hint: This is the same variable that you will change for every group.

Biel believes that her plants grow so well because she is always playing music in her room. What is a question she might ask to test this?