Heat and Energy Transfer

In thermal energy transfer, heat always flows from the _______________ object to the _______________ object until both objects have reached equilibrium.

• Warmer to cooler

• Cooler to warmer

• Warmer to warmer

• Cooler to cooler

Which statement is true?

• The quicker a molecule moves, the colder it is.

• The slower a molecule moves, the warmer it is.

• The quicker a molecule moves, the warmer it is

• The movement of molecules don't affect temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?

• Their thermal energies remain the same.
• Thermal energy passes from the cooler object to the warmer object
• Thermal energy passes from the warmer object to the cooler object.
• Thermal energy passes back and forth equally between the two objects.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The sun warming your skin is an example of heat transfer through 

• conduction
• convection
• radiation
• thermal electricity

Tags

NGSS.MS-PS3-4

As you touch a hot stove the heat transfers -

• from your hand to the stove
• from the stove to your hand
• It doesn't transfer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only be transformed

• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

Conduction, Convection and Radiation are three types of...

• Electrical energy
• Thermal Energy
• Chemical Energy
• Sound Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• same

Tags

NGSS.MS-PS3-1