1. Refresher Quiz RPb Refresher Quiz For each question slide, click on the mouse to reveal the correct answer(s) or click through the slides using the forward buttons to see all of the questions without revealing the answers.

2. Refresher Quiz RPb 1 Why can’t energy travel from the Sun to the Earth by conduction? no particles to vibrate

3. Refresher Quiz RPb 2 What is a heat conductor? something that lets heat travel through it

4. Refresher Quiz RPb 3 Why doesn’t heat travel through solids by convection? the particles cannot move

5. Refresher Quiz RPb 4 Name a material that is good at conducting heat. metal (or the name of any metal)

6. Refresher Quiz RPb 5 What is heat conduction? when heat is passed through solid objects by vibrating particles

7. Refresher Quiz RPb 6 What are the units for temperature? degrees celsius

8. Refresher Quiz RPb 7 How does heat travel best through fluids? by convection

9. Refresher Quiz RPb 8 Which travels faster, light or sound? light

10. Refresher Quiz RPb 9 How do sound waves travel through air? particles pass on the vibrations

11. Refresher Quiz RPb 10 Does a high note have a short or long wavelength? short

12. Refresher Quiz RPb 11 Why do blue objects look blue? they reflect blue light

13. Refresher Quiz RPb 12 What colours does a white shirt reflect? all (seven) colours (of the spectrum)

14. Refresher Quiz RPb 13 What does pitch mean? how high or low a note sounds

15. Refresher Quiz RPb 14 What colour does a red shirt look in blue light? black

16. Refresher Quiz RPb 15 Why does a swimming pool look shallower than it really is? light reflected from the bottom is bent (refracted) when it goes into the air