2. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version HEAT ENERGY PART 2: CONVECTION

3. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version HEAT TRANSFER by CONVECTION Particles in liquids and gases are free to move. Heat gives particles in a liquid or gas thermal energy, causing them to move and take the place of particles with less thermal energy. In this way, thermal energy transfers from hot places to cold places.

4. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version Which statement about convection is TRUE? It happens only in solids It happens only in liquid It happens only in gases It happens only in gases and liquids

5. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version In which object can convection occur? Jar of Salt Balloon full of Air Piece of Coal Steel bar

6. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version Which substance CANNOT support convection? Oxygen Gold Hydrogen Seawater

7. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version BONUS ROUND: Pick your lucky colour!

8. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version Debate: Conduction is faster than convection YES NO

9. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version Which statement about conduction is FALSE? Thermal energy moves from hot to cold places It only happens in liquids and gases Heat is transferred by particles vibrating more It cannot occur in solids

10. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version In convection, you can say the particles have kinetic energy because they are: Moving Heavy Hot Cold

11. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version BONUS ROUND: Pick your lucky colour!

12. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version In which situation might convection not occur? When a radiator heats a room When you cool a drink with ice When bread is being frozen When water is being heated

13. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version

14. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version When you boil some potatoes in a pan, heat travels Through the pan and potatoes by convection, through the water by conduction Through the pan by conduction, through the water and potatoes by convection Through the pan by convection, through water and potatoes by conduction Through the pan and potatoes by conduction, through the water by convection

15. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version

16. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version What can speed up convection in an oven? Glass window Fan Pan Oven cleaner

17. 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Beta version