Page 34 - Science Course 3 (Book 2)

Mo9-L1: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question or statement, write the letter of the correct answer

1. A particle that has equal amounts of positive charge and negative charge is
A. positively charged.
B. electrically neutral.
C. negatively charged.
2. Which material is an insulator in which electric charges cannot easily move?
A. gold
B. plastic
C. aluminum
3. Which material is a conductor in which electric charges easily move?
A. wood
B. paper
C. copper
4. How do objects become electrically charged?
A. Protons move from one object to another.
B. Neutrons move from one object to another.
C. Electrons move from one object to another

Mo9-L1: Lesson Review Quiz (Matching)

Direction: On the line before each def nition, write the letter of the term that matches it correctly.
Each term is used only once.

5. refers to a particle that has equal amounts of positive charge and A. electric conductor
negative charge
B. electric f eld
6. refers to an object that has an unbalanced amount of positive
charge or negative charge C. electric force

7. refers to an object that has more positive charge than negative D. electric discharge
charge
E. electrically charged
8. refers to an object that has more negative charge than positive
charge F. electrically neutral
9. the loss of an unbalanced electric charge G. electric insulator

10. a material in which electric charges cannot easily move H. negatively charged
11. a material in which electric charges easily move I. positively charged

12. the force that two electrically charged objects apply to each other
13. the invisible region around a charged object where an electric force
is applied

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