Thermal Energy, Heat and Temperature

Temperature, Heat, and Energy

Open Ended

What is the unit for heat?

what is the unit for thermal energy?

List one unit for temperature.

Multiple Choice

If the temperature is higher, molecules will move

• Faster

• Slower

Multiple Choice

The _____________speed molecules in the hot brick collide with the _________moving molecules in the cold brick and transfer energy to them.

• slow-high

• high-slow

Multiple Choice

This energy transfer ____________ the temperature of the cold brick and _________ the temperature of the hot brick.

• increases- lowers

• decreases- increases

Multiple Choice

The energy transfer continues between the bricks until _________________

• they switch temperatures

• they reach the same temperature

• both become cold

Multiple Choice

•In a system, when there is no net transfer of energy, we say the system is in____________

• thermal equilibrium

• thermal change

• thermal transfer

Multiple Choice

What makes two objects in thermal equilibrium according to zeroth law of thermodynamics?

• If they have the same temperature

• If they have the same temperature and mass

• If they have the same temperature and shape

Open Ended

How heat is related to thermal energy?

Open Ended

What is water freezing point in the Celsius scale?

Open Ended

What is water boiling point in Celsius scale?

Open Ended

What is water freezing point in the Fahrenheit scale?

Open Ended

What is water boiling point in the Fahrenheit scale?

Multiple Select

Which of the following scales include negative values for temperature? Check all the correct answes.

• C

• F

• K