Heating

Today we're going to keep working on ways that things can be heated. Answer the following in your books.

1. What needs to happen for conduction to occur?
2. How is the food on this bbq getting warmed? Name all three types of heat transfer here:

3. What is convection?
4. Why is a convection oven better at cooking? 
5. Watch this video. Explain how Heston uses conduction, convection and radiation to create the meal:
6. Think of your favourite hot food. Find a picture of it, and put it on a powerpoint slide. You need to use arrows and axplanations to show HOW the food is heated (by conduction, convection, radiation, or more than one) and where the heat comes from. Save this and we will print it if we can.

Homework:

For one meal you have this week, explain what you had which was cooked and how it was heated. Make sure you use thte terms from class today. Bring it in next week. on Monday.