Question

1) How are you?

2) Do you know me?

3) Have you ever seen me?

4) Try to recall how I look like?

5) Do you know why mercury or alcohol is used in me?

Answer 1

1) I am fine.

2) Yes, I know you. You are a thermometer.

3) Yes, I have seen in my home and hospital.

4) You are made of a narrow glass tube with thick walls which is closed at one end and You have a bulb of mercury or alcohol on the other end.

5) Mercury and alcohol have the best properties to measure temperature.