|
|
4
|
A complete path through with electric charges can flow is a(an)
|
6
|
A magnet made from hard steel
|
7
|
atoms that all have magnetic fields lined up in the same direction
|
8
|
used to pick up cars at the junk yard
|
9
|
An electric current produces a(an)
|
11
|
materials that allow the charges of an electric current to move freely
|
12
|
Electrically charged particles flowing from the sun
|
14
|
require very low temperatures to work
|
18
|
magnetic poles that are alike
|
|