Hi 1A2,
You may/may not want to answer the following Science Questions.
National Science Quiz 08

1] What happens to a substance that gains heat? (1m)

2] What happens to a substance that loses heat? (1m)

3] Name three problems caused by expansion. (3m)

4] A bimetallic strip is made of two metals. What are the two metals? (2m)

5] What is the unit for work done? (1m)

6] Ron carries an 8kg pail of water up a flight of 15 steps, each 20 cm high. Calculate the amount of work done to carry the pail up the stairs. (2m)

7] Define Potential Energy. (2m)

8] What is energy? (1m)

9] Give me one non-renewable source of energy. (1m)

10] Give me one renewable source of energy. (1m)

If you want to attempt the questions above,do copy down the questions as well.
Give it to me by tomorrow(Monday,25 August 2008).
That's all!
Regards,
Kush