Summative Test Unit 3 Module 7
Directions: Choose the letter of the correct answer.
1. What will happen when two like charges are brought together?
A. Repel each other
C. Neutralize each other
B. Attract each other
D. Have no effect on each other.
2. A material can be positively charged by
A. Gaining protons B. Gaining electrons C. Losing protons
electrons
D. Losing
3. If you comb your hair and the comb becomes positively charged, what will happen to
your hair?
A. It will remain uncharged
C. It will become positively charged.
B. It will be repelled by the comb
D. It will become negatively
charged
4. Which of the following can be attracted by a positively charged object?
A. Another positively charged object
C. A neutral object
B. Any other object
D. No other object
5. A negatively charged rod is brought near a metal can that rests on a wooden box. You
touch the opposite side of the can momentarily with your finger. If you remove your
finger before moving the rod, what will happen to the can?
A. It will be discharged
C. It will become positively
charged
B. Its charge will remain as it was
D. It will become negatively
charged​