Heat Transfer

What is the transfer of heat by direct contact?

• Convection
• Electromagnetic waves
• Radiation
• Conduction

What is a transfer of heat energy by electromagnetic waves?

• Radiation
• Convection
• Conduction
• Heat

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

• Radiation
• Convection
• Conduction
• Heat

Which shows an example of convection?

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

• Clara burns her hand by touching a light bulb.

• Lucy wraps herself in an electric blanket to keep warm.

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

Which is an example of radiation?

• boiling a pot of noodles for dinner

• getting hot from lying in the sun

• feeling warm while taking a shower

• burning yourself after touching a hot plate

Which is an example of heat being transferred by conduction?

• a furnace heating the air in a school

• an ice cube melting in a person's hand

• a pot of water on a stove boiling

• the sun heating water in a swimming pool

Cooking pizza in the microwave is an example of...

• conduction

• convection

• radiation

Steam rising from hot soup is an example of...

• conduction

• convection

• radiation

Cooking pancakes on a griddle is an example of...

• conduction

• convection

• radiation

Warm air is __________ dense than cold air and rises creating convection currents.

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