Direction: Read and understand each question carefully. Encircle the letter of the correct answer.

1. How will you classify water, needles, iron nails and hammer?

a. Insulator b. conductor C. controler d. transformer

2. Which of the following is the poorest conductor of heat?

a. iron grills b. rubber and wood
d. bronze and silver
C. copper wire

3. Which of the following is a good conductor of electricity?

a. pin/scissor b. pencil/bag c. porcelaine/glass
d.gold

4. Electrical problem arises sometimes, whom will you consult?

a. carpenter
b. doctor
c. teacher
d. electrician

5. In dealing with electricity practice

a. carefulness
b. carelessness
c. helpfulness
d. happiness​

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