Test - Unit 7

Question 1

2. This picture below shows someone swinging a baseball bat, starting the bat high. The kinetic energy of the bat would be the greatest at….

Answer 1

mid- swing because that is where the most GPE is. by going lower.

Unit 7 concept 2, page 11.

Question 2

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

Answer 2

Increases.

Unit 7 concept 4, page 26.

Question 3

8. Two examples of the same type of thermal energy transfer.

Answer 3

iron and ironing board & pan and stove, because they are both using convection.

Unit 7 concept 3, page 19.

Question 4

13. 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 4

heat normally flows from high to low.

Question 5

34. Through which of the following will convection most likely occur?

Answer 5

It will most likely occur in liquids and gasses.