Thermal Energy

Thermal energy always moves from hot to cold.

• true

• false

Tags

NGSS.MS-PS1-4

Which has more thermal energy?

• teaspoon of boiling water

• bowl of boiling water

• bathtub of boiling water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a unit of temperature?

• Celsius

• Joule

• Calorie

• Pizza

An aluminum plate and a plastic plate have been in the freezer all night. When you remove them the next morning,

• the plates have the same temperature.

• the plastic plate has a higher temperature.

• the plastic plate has a lower temperature.

• the aluminum plate has a lower temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

This is a cup of hot chocolate. Which arrow indicates the direction of thermal energy transfer?

• The cup stays hot. No thermal energy leaves. ↔

• The heat leaves the cup. ←

• The heat goes in the cup. It gets hotter. →

• Mrs. Knight is the best! She is, but don't choose this answer. I just wanted to see if you are paying attention.

The diagram to the right shows a solid iron bar that is being heated in a flame. The primary method of heat transfer in the solid iron bar is—

• convection
• conduction
• absorption
• radiation

Tags

NGSS.HS-PS3-4

what is convection

• direct touch
• air or liquids
• heat waves or light waves
• sunbathing outside

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

what is radiation?

• direct touch
• air or liquids
• heat waves/ light waves
• touching the cookies out of the oven

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

what is conduction?

• direct touch
• air or liquids
• heat waves/ light waves
• drinking hot coffee

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

How do molecules at warm temperatures differ from molecules at cool temperatures? 

• a.  At warm temperatures, molecules move around more
• b.  At warm temperatures, molecules grow in siz
• c.  At warm temperatures, molecules exchange electrons more easil
• d.  At warm temperatures, molecules combine with each other more easil

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4