3.3
What I Know
Multiple Choice: Choose the letter of the best answer. Encircle your answer.
1.
make good conductors of heat and electricity
because of their electronic
particles.
A. wood
B. metals
C. rubber
D. paper
2. These are materials that allow heat and electricity to pass through
A. conductors
B. insulators
C. heat resistant D. A and C
3. It is a metal that is commonly used in electrical wires because of its high conductivity.
A. iron
B. gold
C. copper
D. bronze
4. Your body and other non-metallic materials can be conductors of electricity because
of
A. the cells
B. the tissues
C. water and minerals D. body systems
5. Which of the following is a conductor?
A. bricks
B. aluminum
C. glass
D. rubber​