Kinetic Energy and Temperature

The temperature of a substance increases as___.

• the substance expands

• the average kinetic energy of its particles increases

• the substance's volume increases

• the substance's mass increases

Tags

NGSS.MS-PS1-4

A measure of the average kinetic energy of the individual particles in an object is called:

• thermal energy

• conduction

• convection

• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a popsicle melts, the particles in the popsicle _____.

• gain thermal energy and speed up

• there are no particles in popsicles

• lose thermal energy and slow down

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero

• they both have an equal temperature

• one runs out of energy

Tags

NGSS.MS-PS1-4

If the temperature of a gas is increased, what happens to the average kinetic energy of its particles?

• It decreases.

• It remains the same.

• It increases.

• It becomes zero.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following statements is true about the kinetic energy of particles in a solid compared to a gas at the same temperature?

• Particles in a solid have more kinetic energy.

• Particles in a gas have more kinetic energy.

• Both have the same kinetic energy.

• Kinetic energy cannot be compared between states of matter.

Tags

NGSS.MS-PS3-4

Temperature is the measure of​ the (a)   of the water molecules. The higher the temperature the​ (b)   the molecules move. The ​ (c)   the temperature, the slower the molecules move.

• kinetic energy

• faster

• lower

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following best describes the motion of particles in a solid as the temperature decreases?

• Particles move faster and spread apart.

• Particles move slower and vibrate less.

• Particles stop moving completely.

• Particles move at a constant speed regardless of temperature.

Tags

NGSS.MS-PS1-4

What is the effect of increasing temperature on the speed of particles in a gas?

• The speed of particles decreases.

• The speed of particles remains unchanged.

• The speed of particles increases.

• The speed of particles becomes zero.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the kinetic energy of particles in a liquid as it is cooled?

• Kinetic energy increases.

• Kinetic energy decreases.

• Kinetic energy remains constant.

• Kinetic energy becomes zero.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4