Heat Transfer

Heat Transfer

Multiple Select

Check the 3 types of heat transfer.

• Conduction

• Condutor

• Radiation

• Temperature

• Convection

Multiple Choice

Which best explains why the temperature inside the greenhouse is higher than the temperature outside the greenhouse?

• The sun’s rays radiate heat into the greenhouse, and then the warmed air is convected inside the greenhouse.

• The sun’s rays conduct heat into the greenhouse, and then the warmed air is radiated inside the greenhouse.

• The warm air outside passes into the greenhouse by convection,

  and then the warm air is conducted inside the greenhouse.

• The cool air outside passes into the greenhouse by radiation, and then the cool air is conducted inside the greenhouse.

Multiple Select

Cold Pack on Person

• Heat is transferred from the cold pack to the person.

• Heat is transferred from the person to the cold pack

• The cold pack is getting warmer. The person is getting colder.

• The cold pack is getting colder. The person is getting warmer.

Multiple Select

Hand Warmer in a Hand

• Heat is being transferred from the hand warmer to the hand.

• Heat is being transferred from the hand to the hand warmer.

• The hand is getting warmer. The hand warmer is getting cooler.

• The hand warmer is getting warmer. The hand is getting cooler.

Multiple Choice

Lava Lamp

• Conduction

• Convection

• Radiation

Multiple Choice

Feet on Hot Sand

• Conduction

• Convection

• Radiation

Multiple Choice

Mantle

• Conduction

• Convection

• Radiation

Multiple Choice

Sun Bathing

• Conduction

• Convection

• Radiation

Multiple Choice

Curling Iron

• Conduction

• Convection

• Radiation

Multiple Choice

Boiling Water

• Conduction

• Convection

• Radiation

Multiple Choice

On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which method of heat transfer best describes the process the student observed?

• radiation
• melting
• conduction
• convection

Multiple Choice

You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?

• The cold energy from your hand transferred to your friend's hand through conduction.
• The heat energy from your friend's hand transferred to your hand through conduction. 
• The cold energy from your hand transferred to your friend's hand through convection.
• The heat energy from your friend's hand transferred to your hand through convection.

Multiple Choice

Heat transfers from an area of ________temperature to an area of ______ temperature.

• high to low
• low to high
• high to high

Multiple Choice

Warm air rises and the cool air sinks. This is...

• conduction
• convection
• radiation

Multiple Choice

What is the transfer of heat by direct contact?

• Convection
• Electromagnetic waves
• Radiation
• Conduction

Multiple Choice

What is a transfer of heat energy by electromagnetic waves?

• Radiation
• Convection
• Conduction
• Heat

Multiple Choice

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

• Radiation
• Convection
• Conduction
• Heat

Multiple Choice

Ice cubes are placed in a glass of water that is at room temperature. Which statement best describes the temperature of the water after 10 minutes?

• The temperature decreases because some of the water's heat is lost to the ice.

• The temperature decreases because some of the ice's heat is lost to the water.

• The temperature increases because some of the coolness of the water is absorbed by the ice.

• The temperature increases because some of the coolness of the ice is absorbed by the water.

Multiple Choice

Which best explains why metal is a good material to make frying pans?

• Metal is a good conductor of heat and transfers heat from the stove to the food.

• Metal is a good conductor of heat and does not transfer heat from the stove to the food.

• Metal is a poor conductor of heat and transfers heat from the stove to the food.

• Metal is a poor conductor of heat and does not transfer heat from the stove to the food.

Multiple Choice

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.

Multiple Choice

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.