Thermal Energy

Thermal energy is_______________.

• the average kinetic energy of particles.

• the total kinetic energy of particles.

• the average speed of the particles.

• the amount of cold energy in particles.

Temperature is _______________________.

• the average kinetic energy of particles.

• the total kinetic energy of particles.

• the kinetic energy of particles added up.

• the amount of cold energy in particles.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Calculate the average of the numbers below.

10, 20, 30

• 10

• 20

• 30

• 60

Which molecules will move faster?

• 20 mL of water at 87 degrees Celsius

• 20 mL of water at 78 degrees Celsius

• Both are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Which molecules are moving the fastest?

• 2 molecules of water with an average KE of 10 kJ

• 6 molecules of water with an average KE of 2 kJ

• Both are the same

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-1

Which molecules have a lower average kinetic energy?

• 20 mL of water at 87 degrees Celsius

• 20 mL of water at 78 degrees Celsius

• Both are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which sample has the higher thermal energy?

• 10 mL of water at 10 degrees Celsius

• 20 mL of water at 10 degrees Celsius

• Both are the same

Which sample has the higher thermal energy?

• A sample of water with a total KE of 18 kJ

• A sample of water with a total KE of 14 kJ

• Both are the same

Tags

NGSS.MS-PS1-4

Which sample has a higher temperature?

• Sample A

• Sample B

• Both are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which sample are the molecules moving the fastest?

• Sample A

• Sample B

• Both are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1