Energy Tests

Question 1

The rate of which work is done is

Answer 1

Power

U7C4 Work and power

Question 2

Give examples conductions as a type of thermal energy transfer

Answer 2

Pan on a stove and iron and

U7C2 Law of conservation of energy

Question 3

When you hold an ice cube your hands feels cold because

Answer 3

Heat flow from your hand to the ice cube

U7C2

Question 4

Energy stored in food would be considered

Answer 4

Chemical potential

U7C1

Question 5

Constant force of 2N is used to push a 3kg box 4m across the floor. How much work was done

Answer 5

8J

U7C4

Question 6

Conduction is the transfer of heat energy by

Answer 6

Direct particle contact

U7C3

Question 7

The diagram to the right shoes four locations in a temperature field. The temperature of each location is given in degrees Celsius. Heat energy will normally flow from

Answer 7

High to low

U7C2 Law of conservation of energy

Question 8

Temperature measures the average___ of the particles in a material

Answer 8

Kinetic energy

U7C1

Question 9

Transfer of energy by the movement of heated particles

Answer 9

Convection

U7C3

Question 10

As the time required to do a given amount of work decreases, the power developed

Answer 10

Increases

U7C4

Question 11

The picture below shows a person swinging a baseball bat, starting at point A. The kinetic energy of the bat would be the greatest at

Answer 11

the lowest point of the swing.

U7C1

Question 12

When water at 10C is heated to 20C its kinetic energy

Answer 12

Increases

U7C1

Question 13

Transfer of energy that occurs when a force makes an object move

Answer 13

Work

U7C4 Work and power

Question 14

When an object absorbs energy, the change in temperature will be

Answer 14

Positive

U7C3