3. Which of the following materials is the best conductor of heat?
A Wood
B. Paper
C. Plastic
D. Metal

4. Why some objects with the same temperature have different level of coldness when touched?
A. Because they have different temperature.
B. Because they have different mass.
C. Because they have different level of conductivity.
D. Because they have different volume.

5. Which is True about conduction?
A. It can only take place in solids.
B. It takes place due to the vibrating and colliding particles of objects that are in contact.
C. During conduction, warmer liquid or gas expands and goes up while cooler liquid or gas
moves down
D. It does not involve particle or medium to take place.​

I hope you can help me