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- 1. Multiple Choice
Which type of thermal energy transfer is illustrated in the diagram shown above?
Electromagnetic waves of radiation
Direct transfer of thermal energy by conduction
Heat rising, cooling, and sinking by convection
All three types of thermal transfer are illustrated
- 2. Multiple Choice
A student is drinking a cup of hot chocolate as they sit by a campfire on a chilly evening. They know that the cup of hot chocolate transfers thermal energy to the surrounding air. The heated air over their cup of hot chocolate expands and rises and is replaced by cooler, denser air. This method of energy transfer is —
convection
condensation
conduction
radiation
- 3. Multiple Choice
A student is standing with their back facing a campfire. The student notices that their back is much warmer than their chest. They know that thermal energy is being transferred from the fire and that this method of energy transfer can happen even if no air is present. This method of energy transfer is —
convection
condensation
conduction
radiation
- 4. Multiple Choice
Which picture best illustrates thermal energy transfer by conduction?
A
B
C
D
- 5. Multiple Choice
How does transfer of thermal energy by radiation differ from convection and conduction?
Convection and conduction transfer thermal energy through solids, liquids, or gases.
Radiation can transfer thermal energy through space in addition to solids, liquids, or gases
Radiation requires direct contact between particles for thermal energy transfer.
Convection and conduction use currents to transfer thermal energy in solids, liquids, or gases.
- 6. Multiple Choice
The diagram below shows an ice cube placed in a hot pan. Thermal energy is being transferred to the ice cube from the pan shown above by —
convection
conduction
radiation
conservation
- 7. Multiple Choice
A beaker with water is placed on a hot plate to increase the temperature of the water. What forms of energy transfer occur while the hot plate is turned on?
Radiation occurs where the hot plate touches the beaker. Convection occurs in the movement of the water.
Conduction occurs where the hot plate touches the beaker. Radiation occurs in the movement of the water.
Convection occurs where the hot plate touches the beaker. Conduction occurs in the movement of the water.
Conduction occurs where the hot plate touches the beaker. Convection occurs in the movement of the water.
- 8. Multiple Choice
What type of heat transfer occurs when you touch a metal seat with your hand and the seat feels cold?
Radiation
Convection
Conduction
Transpiration
- 9. Multiple Choice
What is an example of thermal energy transfer by radiation?
A metal spoon becoming hot in a bowl of soup
Water boiling in a pot on a burner on the stove
The Sun heating the surface of the Earth
A hot air balloon releasing gas and rising
- 10. Multiple Choice
A cook is boiling corn on a stove as shown in the picture. How does the process of boiling corn demonstrate conduction?
Thermal energy is transferred from the hot burner to the pan by contact.
Thermal energy is transferred through the water when is rises and sinks.
Thermal energy is transferred from the burner to the water by contact.
Thermal energy is transferred throughout the water as it bubbles to a boil.
- 11. Multiple Choice
The picture demonstrates methods of energy transfer. What is an accurate description for the processes occurring at each location labeled?
A – convection; B – conduction; C – radiation
A – conduction; B – radiation; C – convection
A – radiation; B – conduction; C – convection
A – conduction; B – convection; C – radiation
- 12. Multiple Choice
A student is investigating how thermal energy moves. The student heated a nail to 100 °C and placed it into 250 mL of 20 °C water. Based on your experience, what will happen to the thermal energy of the water and the nail?
The water will transfer energy to the nail until the water and nail have an equal temperature.
The nail will transfer energy to the water until the water and nail have an equal temperature.
The nail will transfer energy to the water and the nail maintains its original temperature.
The water will transfer energy to the nail and the water maintains its original temperature.
- 13. Multiple Choice
A bottle of water at a room temperature of 21.0 degrees C is placed into a refrigerator with an air temperature of 4.5 degrees C. The thermal energy will move —
from the cooler air to lower the temperature of the water to 4.5 degrees C
in both directions until the temperature is equal in the water and the air
from the water to the air until the water temperature is zero degrees Celsius
from the water to the air until the temperature is equal in both
- 14. Multiple Choice
An ice cube is placed onto a hot pan that is sitting on the counter top as shown below. How will the thermal energy move?
The coldness will move from the pan to the ice cube.
The coldness will move from the ice cube to the pan.
The heat will travel from the pan to the ice cube.
The heat will move from the ice cube to the pan.
- 15. Multiple Choice
Students conducted an investigation of thermal energy transfer. Students placed a thermometer under a heat lamp and recorded the change of temperature every thirty seconds for two minutes in the data table. Based on the data, how was thermal energy transferred in this investigation?
Thermal energy moved from a warmer object to a cooler object through conduction.
Thermal energy moved from a cooler object to a warmer object through conduction.
Thermal energy moved from a cooler object to a warmer object through radiation.
Thermal energy moved from a warmer object to a cooler object through radiation.
- 16. Multiple Choice
An ice cube is melting. How is thermal energy transferred in this scenario?
Thermal energy moves from a warmer object to a cooler object until all the substances are different temperatures.
Thermal energy moves from a warmer object to a cooler object until all the substances are the same temperature.
Thermal energy moves from a cooler object to a warmer object until all the substances are the same temperature
Thermal energy moves from a cooler object to a warmer object until all the substances are different temperatures.
- 17. Multiple Choice
There are _______ different methods of heat transfer
2
3
4
5
- 18. Multiple Choice
Conduction is the transfer of heat through?
air and liquid
empty space
direct contact
electromagnetic waves
- 19. Multiple Choice
The process by which heat moves through air or liquid is called?
boiling
conduction
convection
thermal energy
- 20. Multiple Choice
Which method of heat transfer can occur in empty space?
radiation
convection
conduction
all of the above
- 21. Multiple Choice
Which of these is the best example of heat transfer through radiation?
warming up pasta in a microwave
putting a metal spoon in a bowl full of hot chili
holding a hot water bottle in cold hands
boiling a kettle of water on a gas stove
- 22. Multiple Choice
Conduction can only occur between two objects when –
one object is less dense than the other
both object are in physical contact with each other
one of the objects is made of metal
both objects are exactly the same temperature
- 23. Multiple Choice
Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?
the egg is kept warm by its mother in the nest
an egg cracked on the hot sidewalk starts to cook
the egg is hard boiled in a pot of water
a metal pan on the stove fries the egg
- 24. Multiple Choice
Thermal energy always moves from –
large objects to small objects
dark objects to light objects
warm objects to cool objects
smooth objects to rough objects
- 25. Multiple Choice
A student notices that the saucer below a coffee cup becomes warmer after coffee is poured into the cup. Energy was transferred from –
the cup to the saucer by conduction
the saucer to the cup by conduction
the cup to the saucer by convection
the saucer to the cup by convection
- 26. Multiple Choice
Which of the following is an example of heat transfer through radiation?
a pot of soup warming on a hot burner
a crayon melting on a hot sidewalk
beach sand getting warmed by the Sun
an egg getting cooked in a pot of boiling water
- 27. Multiple Choice
While seated next to a camp fire, a person begins to feel the warmth of the fire. Energy is transferred from –
the fire to the person by conduction
the person to the fire by conduction
the fire to the person by radiation
the person to the fire by radiation
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