Heat Transfer CFA Review

What happened to the temperatures of the hot water and cold water from 0 hours to 4 hours?

• The thermal energy of the hot water decreased and the thermal energy of the cold water increased

• The thermal energy of the hot water increased and the thermal energy of the cold water decreased

• The thermal energy of the hot and cold water increased

• The thermal energy of the hot and cold water remained the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What was the approximate temperature of the hot water after 30 minutes?

• 135° F

• 125° F

• 95° F

• 85° F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is a true statement given the data on the chart?

• The temperature of the ice water never reached thermal equilibrium

• The temperature of the hot water never reached thermal equilibrium

• The temperature of the ice water changed more rapidly than the hot water from 0 hours to 2 hours

• The temperature of the hot water changed more rapidly than the ice water from 0 hours to 2 hours

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

How many hours did it take for the hot water and ice water to reach thermal equilibrium?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

Tags

NGSS.MS-PS1-4

If the room temperature was 90° F, approximately how many hours would it have taken the hot water to reach thermal equilibrium?

• 0 hours

• 1 hour

• 2 hours

• 3 hours

Tags

NGSS.MS-PS1-4

You feel the hot sand on your feet as you walk barefoot along the beach. What type of heat transfer is happening between your feet and the sand?

• Conduction

• Convection

• Radiation

• Thermal Equilibrium

During the cold winter months, you like to sit in front of the fireplace to feel the warmth from the fire. What type of heat transfer does this represent?

• Conduction

• Convection

• Radiation

• All of the above

You are supposed to get low toward the floor if you are ever caught in a building or house fire. The hotter air and smoke will rise and the cooler air will sink. What type of heat transfer does this represent?

• Conduction

• Convection

• Radiation

• All of the above

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Your mom just finished baking cookies at for a birthday party. She turned off the oven and left the oven door open. What will happen to the temperature of the oven over the next 30 minutes?

• It will remain the same temperature

• It will increase in temperature

• It will increase until it reaches room temperature

• It will decrease until it reaches room temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The transfer of heat through electromagnetic waves is ________.