Cooking Food and Heat Transfer Quiz

What is conduction?

• Transferring heat through a liquid or air into food

• Transferring heat through a solid object into food

• Transferring heat by infra-red waves

• Transferring heat through radiation

What is convection?

• Transferring heat through a liquid or air into food

• Transferring heat through a solid object into food

• Transferring heat by infra-red waves

• Transferring heat through radiation

What is radiation?

• Transferring heat through a liquid or air into food

• Transferring heat through conduction

• Transferring heat through a solid object into food

• Transferring heat by infra-red waves

Why must some foods be thoroughly cooked?

• To develop flavors

• To destroy food poisoning bacteria

• To improve texture

• To make food look better

What happens to water molecules in convection?

• They evaporate

• They move upwards then downwards in circular motion

• They stay still

• They freeze

What is the risk of grilling food that is more than 3.5cm thick?

• It may burn easily

• It may be undercooked inside

• It will cook too quickly

• It will lose flavor

Which cooking method involves cooking food in water at 100°C?

• Simmering

• Poaching

• Stewing

• Boiling

What is the purpose of using heat insulators in cooking?

• To make food look better

• To improve food flavor

• To protect us from burning ourselves

• To cook food faster

Which material is NOT mentioned as a heat insulator?

• Plastic

• Wood

• Ceramics

• Glass

What is the effect of cooking on the texture of vegetables?

• Makes them more bitter

• Makes them harder

• Makes them lose color

• Makes them less bulky and easier to eat