The Cooker

THE COOKER

Can’t cook, you’ll cook lesson 3

Take the heading The Cooker and today’s date

Learning Intentions We will be able to understand how to

use the cooker.

We will be able to understand the three methods heat is transferred to food

Three methods of heat transfer

Part of Cooker Method of heat transfer

OVEN CONVECTION

GRILL RADIATION

HOB CONDUCTION

Re-arrange the method of heat transfer into the right order.Part of cooker Method of heat transfer

OVEN RADIATION

GRILL CONDUCTION

HOB CONVECTION

What does Convection mean?

CONVECTION is heat transfer by the movement of hot air in the oven.

The heat element in the oven heats up and the fan at the back of the oven moves the hot are around.

Hot Air rises through the food and cooks it At the top of the oven it cools and falls again

to be heated up by the element and the process starts again.

In an oven, the heated air cooks the food.

What does conduction mean?

CONDUCTION is heat transfer within solids or between contacting solids.

RADIATION is heat transfer by electromagnetic waves.