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Science
6th -
7thgrade
Thermal Transfer: Conduction, Convection, and Radiation
20 questions
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- 1. Multiple Choice
While on vacation, Carine rides in a hot-air balloon. To make the balloon rise, the pilot turns on a flame to warm the air inside the balloon. How does the air change?
The temperature of the air decreases.
The air particles move closer together.
The motion of the air particles increases.
The air changes to a different state of matter.
- 2. Multiple Choice
•The movement of heat or electricity through matter by direct contact is called_________.
convection
radiation
thermal heat
conduction
- 3. Multiple Choice
Which of the following answer choices IS NOT an example of conduction?
Touching a metal spoon in a cup of hot liquid
Holding a chocolate bar in your hand then it starts to melt
•Hot air rising in the atmosphere, cold sinking
Putting a heating pad on your back
- 4. Multiple Choice
Which of the following describes the transfer of thermal energy that occurs as a piece of ice in her hand?
Thermal energy is transferred from her hand to the ice cube.
Thermal energy is transferred from the ice cube to her hand.
Thermal energy is transferred back and forth from her hand to the ice cube
Thermal energy does not transfer between to objects at different temperatures.
- 5. Multiple Choice
•The transfer of thermal energy though a fluid (gas or liquid) is called_________.
convection
conduction
radiation
thermal radiation
- 6. Multiple Choice
Which of the following answer choices accurately describes thermal transfer conduction?
The transfer of heat through solids, liquids, or gases
The transfer of thermal heat through liquids or gases.
The transfer of heat through touching(mostly metals) solids in particular.
The transfer of heat through open space or waves.
- 7. Multiple Choice
Which type of thermal energy transfer is represented in the picture?
radiation
temperature
conduction
convection
- 8. Multiple Choice
Which of the following answer choices is NOT an example of thermal transfer convection?
Lava lamp rising and sinking
Hot air balloon ride elevating for take off
Hot water rising in the oceans, cold sinking
Feeling the warmth from a fireplace
- 9. Multiple Choice
As a spoon in a bowl of hot soup becomes warmer, by which process is energy being transferred to the spoon?
convection
conduction
radiation
direct contact
- 10. Multiple Choice
What type of heat transfer is shown in the picture?
heat option
radiation
conduction
convection
- 11. Multiple Choice
What is the rolling motion of boiling water an example of?
convection
conduction
insulation
radiation
- 12. Multiple Choice
What is transfer of heat through a material called?
thermal insulation
thermal conduction
thermal radiation
thermal convection
- 13. Multiple Choice
Hot air is seen rising from the pavement on a hot summer day. Which of the following is this an example of?
thermal conduction
thermal insulation
convection
radiation
- 14. Multiple Choice
Energy transmitted in waves or a stream of particles or travels through open space is called_____.
direction convection
conduction
convection
radiation
- 15. Multiple Choice
What type of heat transfer is denoted in the picture?
conduction
convection
radiation
none of the above
- 16. Multiple Choice
Which of the following is the transfer of energy as heat by the movement of a liquid or gas?
radiation
emission
convection
conduction
- 17. Multiple Choice
Which of the following answer choices IS NOT an example of radiation?
Placing a hand on top of a basket of hot rolls
•Holding your hand over a burning match without touching it
Holding your hands over a light bulb
Laying out in the sun at a beach
- 18. Multiple Choice
A cold block of metal is placed in contact with a warm block of metal. Which type of energy will be transferred between the blocks?
thermal energy
chemical energy
electrical energy
mechanical energy
- 19. Multiple Choice
The circular motion occurring in the mantle is the result of _______.
convection currents
radiation
conduction contact
lithosphere
- 20. Multiple Choice
What type of thermal transfer is show in the photo?
conduction
radiation
convection
thermal picture
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