Question 1:
What happens to the volume of water when it is heated?
Answer:
The volume of water increases.
What happens to the volume of water when it is heated?
Answer:
The volume of water increases.
Question 2:
Explain briefly why electric transmission cables on poles are hung loosely.
Answer:
The cable contracts when it is cold, so it will not cause any damages.
Explain briefly why electric transmission cables on poles are hung loosely.
Answer:
The cable contracts when it is cold, so it will not cause any damages.
Question 3:
Will the expansion and contraction of matter be harmful to the structure of buildings?
Give your opinion.
Answer:
Yes. Expansion and contraction can damage the structure of buildings and cause the walls to crack.
Will the expansion and contraction of matter be harmful to the structure of buildings?
Give your opinion.
Answer:
Yes. Expansion and contraction can damage the structure of buildings and cause the walls to crack.