Thermal Energy

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

What happens to particles as they cool down?

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which direction will the heat flow while this ice cap melts?

• there is no heat transfer
• from the icecap to the water
• from the water to the icecap

Tags

NGSS.MS-PS3-4

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high

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

Compared to cold water, hot water molecules are _________.

• closer together

• farther apart

• moving slower

• smaller

Absolute Zero or 0 Kelvin is the temperature where which occurs.

• all molecular motion stops

• molecular motion is stored

• all molecular motion speeds up

• all molecular motion is constant

The greater the temperature difference between two substances is, the _____________ the heating rate will be.

• slower

• faster

Water freezes at 32 degrees on which temperature scale?

• Fahrenheit

• Celsius

• Kelvin

• absolute zero

Which of the following is true of the Celsius scale?

• 212 degrees is the boiling point of water

• 0 degrees is absolute zero

• 0 degrees is the freezing point of water

• 32 degrees is the freezing point of water