Test- Unit 7- Energy

Question 1

Which show the same type of thermal energy transfer?
A. Pan cooking on stove
B. Solar panel on house
C. Iron on ironing board
D. Pot with liquid boiling

Answer 1

A and C

U7 C2 notes Pg. 2

Question 2

What type of energy does plastic use?

Answer 2

Conductor

U7 C2 notes Pg. 2

Question 3

The mechanical energy of a falling coconut from a tree

Answer 3

Remains constant

U7 C3 notes Pg. 1

Question 4

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

Answer 4

Increases

U7 C4 Pg. 1

Question 5

The transfer of energy that occurs when a force makes an object move

Answer 5

Power

U7 C4 pg 1

Question 6

Which object has thermal energy transfer by convection?

A. Pan cooking on stove
B. Solar panel on house
C. Iron on ironing board
D. Pot with liquid boiling

Answer 6

D

U7 C3 Pg. 1

Question 7

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

Answer 7

Point C, the lowest part of the swing

Unit 7 C2 Notes, Pg. 2

Question 8

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

Answer 8

High to low

U7 C4 pg. 2 notes

Question 9

Transfer of energy by the movement of heated particles

Answer 9

Convection

U7 notes C3 Pg. 1