Answer the 3 questions either with a t for true or a f for false.

1. Direct current is when the current can go both ways though a conductor.______

2. An ion is when an atom losses or gain an electron.______

3. Electricity is the reason your computer works.______

Answer the 4 questions with a, b, c, or, d.

1. ______ is a material that has a lot of free electrons in.
A. wood
B. metal
C. plastic
D. glass

2. Electrons, protons, and neutrons build _____
A. atom
B. cherries
C. apple
D. houses

3. A electricity generator generates electricity by ___________
A twirling a magnet inside a copper coil.
B. rubbing 2 magnet together.
C. rubbing a nail and magnet together.
D. rubbing 2 nails together.

4. How do you make a atom neutral?_________________
A. Having one more positive charge then negative charge
B. Putting metal in one.
C. Putting plastic in one.
D. Having the same amount of positive and negative charge.

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