1. What are the materials that allow an electric current to flow through them? *
1 point
A. insulators
B. conductors
C. convectors
D. radiators
2. What are the materials that do not allow heat and electricity to flow through them? *
1 point
A. capacitors
B. connectors
C. conductors
D. insulators
3. Which of the following DOES NOT belong to the group? *
1 point
A. aluminum
B. copper
C. plastic
D. Iron
4. Why is an insulator important in handling conductors? *
1 point
A. It can make the heat transfer to other materials.
B. it can protect us from the harmful effects of heat and electricity.
C. It provides cooling effect in handling conductors.
D. It is required to have safety precautions.
5. Which among the following materials is useful in cooking food? *
1 point
A. styro bowl
B. plastic cup
C. aluminum casserole
D. ceramic mug​