Heat Transfer (in cooking)

What is the transfer of heat by movement of liquids or gases?

• conduction
• convection
• radiation

What is the transfer of heat by direct contact?

• conduction
• convection
• radiation

What is a transfer of heat energy by electromagnetic waves through space?

• conduction

• convection

• radiation

You are stirring a bowl of hot soup with a metal spoon. The spoon starts to feel warmer because of _?_.

• conduction
• convection
• radiation

You are roasting marshmallows at a campfire. The metal skewer (stick) that you’re cooking your marshmallow on burns your hand because of _?_.

• conduction
• convection
• radiation

In heat transfer, heat always flows from the _?_ substance to the _?_ substance.

• hotter to colder

• colder to hotter

• hotter to hotter

• colder to colder

How is heat transferred in radiation?

• through solids

• through liquids

• through time

• through air

Which best explains why a wooden spoon can be used to stir hot soup on the stove?

• Wood is a good conductor of heat and transfers energy to the spoon.

• Wood is a poor conductor of heat and transfers energy to the spoon.

• Wood is a good conductor of heat and does not allow the transfer of energy to the spoon.

• Wood is a poor conductor of heat and does not allow the transfer of energy to the spoon.

Which shows an example of convection?

• Jana cooks an egg in a pot of boiling water.

• Claire burns her hand by touching metal handle on the frying pan.

• Brandon holds the end of a metal rod in a fire to cook hot dogs.

Which is an example of radiated heat for cooking?

• cooking a pot of soup

• scrambling eggs on the stove

• grilling hot dogs over a campfire

• frying hamburgers in a frying pan