P3.6 Internal energy

What is kinetic energy?

• The stored energy due to position.
• The energy of motion.
• The energy stored in gasoline.
• The energy stored in food.

Tags

NGSS.MS-PS3-4

What is potential energy?

• The stored energy due to position.
• The energy of motion.
• Wave energy.
• Rotational energy.

Tags

NGSS.MS-PS3-2

What is temperature?

• How fast an object moves
• What the weatherman tells us
• Heat
• The average kinetic energy of the particles of an object.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is internal energy?

• The amount of heat an object contains.
• The sum of the kinetic and potential energy of the particles of a substance.
• Something we can measure easily.
• Something that does not exist.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.

• increases
• decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which state of matter are molecules moving the slowest?

• solid
• liquid
• gas
• all of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state has the greater potential energy

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS3-2

Which has the smallest potential energy

• Solid
• Liquid
• Gas

Tags

NGSS.MS-PS3-2

What happens to the potential energy between particles in a solid as it starts to melt?

• It increases
• It decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

Which change of state wilol have the greatest increase in potential energy

• solid to liquid

• liquid to solid

• liquid to gas

• they are all the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2