Heat Transfer And Energy

23 Questions | By E050265 | Updated: Mar 22, 2022 | Attempts: 2822

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Questions and Answers

1.

Touching hot spoon
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
2.

Air circulation in house
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
3.

Light waves traveling through empty space
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
4.

Thermal energy always is transferred from the hotter object to the colder object.
- A.
  
  True
- B.
  
  False
5.

The transfer of energy in fluids or gases
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
6.

When hot air rises and cool air sinks, this is an example of ....
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
7.

A boy sits to the side of a campfire. He is 10 feet away, but still feels warm. This is an example of ...
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
8.

You walk barefoot on the hot street and it burns your toes. This is an example of...
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
9.

The air in the hot air balloon is heated and circulates. This is an example of ...
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
10.

Energy in motion
- A.
  
  Potential
- B.
  
  Kinetic
11.

Stored energy
- A.
  
  Potential
- B.
  
  Kinetic
12.

Food has stored...
- A.
  
  Electrical energy
- B.
  
  Light energy
- C.
  
  Chemical energy
13.

Light waves traveling from the sun to Earth have...
- A.
  
  Potential energy
- B.
  
  Kinetic energy
14.

A boulder sitting on the top of a hill has...
- A.
  
  Gravitational potential energy
- B.
  
  Kinetic energy
15.

Energy cannot be created or destroyed, but it can be transformed.
- A.
  
  True
- B.
  
  False
16.

A ball moving in a pinball machine has...
- A.
  
  Potential energy
- B.
  
  Kinetic energy
17.

A stretched rubber band has...
- A.
  
  Potential energy
- B.
  
  Kinetic energy
18.

Heat transfer through a metal spoon is an example of ...
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
19.
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
20.
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
21.

What is the speed of a car moving 20 meters in 5 seconds?
- A.
  
  100 m/s
- B.
  
  4 m/s
- C.
  
  25 m/s
- D.
  
  15 m/s
22.

How much work is done if a man pushes a cart 2 meters with a force of 50 newtons?
- A.
  
  25 J
- B.
  
  100 J
- C.
  
  52 J
- D.
  
  48 J
23.
- A.
  
  Balanced
- B.
  
  Unbalanced