AnswersFL-2003310-Physical Science CRLab: Thermal Energy Transfer

Lab: Thermal Energy Transfer — Unit test Answers

0 verified answers2 views
21
Free Preview

If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?

A
Total energy increases.
B
Stored energy decreases.
C
Energy of motion decreases.
D
Total energy decreases.
22
Free Preview

A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner?

A
the surrounding air
B
a burner at the same temperature
C
a pan heated to 100°C
D
hotter water inside a pan
23

Which refers to the thermal energy that flows from one substance to another when the substances differ in temperature?

A
heat
B
temperature
C
convection
D
flow
24

Which term is the product of force and distance?

A
power
B
work
C
net force
D
acceleration
25

What is needed for work to be done?

A
A force must push on an object without moving it.
B
A force must pull on an object without moving it.
C
A force must cause an object to move along the same direction as the force.
D
A force must act on an object while an equal force acts oppositely on the object.

Did you find these answers helpful?