Short Thermal Energy Review

What is thermal energy?

• A hot object

• The random motion (total potential and kinetic energy) of all particles within a substance

• The transfer of heat from one substance directly into another

• When a warm object becomes cool

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is heat?

• A hot object

• The random motion of molecules within a substance

• The movement of thermal energy from a substance at HIGHER temperature to a substance at a LOWER temperature

• The movement of thermal energy from a substance at a LOWER temperature to a substance at a HIGHER temperature

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of these substances would transfer heat through convection? (SELECT ALL THAT APPLY)

• Aluminum

• Air

• Steel

• Outer Space

• Water

Which image shows the faster moving molecules?

• A

• B

• Neither

• Both

Tags

NGSS.MS-PS1-4

Which image shows the higher temperature?

• A

• B

• Neither

• Both

Tags

NGSS.MS-PS1-4

Which image shows the lower temperature?

• A

• B

• Neither

• Both

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which image shows the lower thermal energy?

• A

• B

• Neither

• Both

Tags

NGSS.MS-PS1-4

Which image shows the higher thermal energy?

• A

• B

• Neither

• Both

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is a CONDUCTOR of thermal energy? (Select ALL that apply)

• Aluminum

• Glass

• Foam

• Iron

• Water

Tags

NGSS.MS-PS3-3

Which of the following is an INSULATOR of thermal energy? (Select ALL that apply)

• Aluminum

• Glass

• Foam

• Air

• Water

Tags

NGSS.MS-PS3-3