Heat and temperature quiz, year 8

1. Heat and temperature quiz Wednesday, 02 December 2009

2. Question 1 The picture shows an old car at sunrise The car is becoming warmer – where is it getting the energy from?

3. Question 2 The picture shows an ice cream in a warm room. Which way does energy flow in this situation?

4. Question 3 How does energy get from the Sun to the Earth?

5. Question 4 The Earth is said to be in energy balance? What does this mean?

6. Question 5 It is said that the Earth may be subject to ‘Global Warming’ What is supposed to be causing the problem?

7. Question 6 The polar bear is cooling in the cold conditions it lives in. Which way does energy flow in this case?

8. Question 7 How does the polar bear replace the energy it loses?

9. Question 8 How does the bear’s coat help it retain heat energy? Give TWO reasons why the coat is a good insulator.

10. Question 9 The polar bear is not well adapted to living in hot conditions. Why is the bear badly adapted to hot conditions?

11. Question 10 What type of heat flow is shown in these diagrams?

12. Question 11 What type of heat flow is shown on this diagram?

13. Question 12 What type of heat transfer is shown is this diagram?

14. Question 13 What is the best method for reducing heat loss through the roof of this house?

15. Question 14 Why is this solar heating panel black?