1. Direction: Choose the letter of the correct answer. Write the letter on the blank before the number.

1. What do you call the materials that do not allow electricity to flow through them?
A. conductors
B. electricity
C. insulators
D. metal

2. Which of the following is not a good insulator?
A. Wood
B. rubber
C. plastic
D. copper

3. It refers to the flow of electrons from one object to another
A. electrons
B. electricity
C. conductor
D. conductor

4. It refers to the materials that allow electricity to flow through.
A. insulator
B. conductor
c. electricity
D. none of the above

5. Which of the following is not a good conductor of electricity?
A. iron
B. copper
C. silver
D. ceramic​