Changes of state Are caused by changes of thermal energy. part 1

What happens to the kinetic energy of a substance when thermal energy is added?

• It decreases

• It remains the same

• It increases

• It changes state

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Temperature is a measure of the average _______ energy of the particles.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Each ______ in a substance is moving in some way, so each particle has kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What does the increase in kinetic energy of particles result in?

• Particles moving slower

• Particles changing state

• Particles moving faster

• Particles gaining potential energy

Tags

NGSS.MS-PS1-4

What is thermal energy?

• The total kinetic energy of all the particles in a substance

• The energy gained by a substance during a change of state

• The energy required to change the state of a substance

• The energy released when a substance changes state

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The melting point of ice is _ °C at sea level.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the term used to describe the change of state from solid to liquid?

• Evaporation

• Condensation

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

What is melting?

• The process of ice particles vibrating more

• The process of energy being absorbed

• The process of changing from a solid to a liquid state

• The process of ice particles freezing

Tags

NGSS.MS-PS1-4

What can cause a change of state from solid to liquid?

• Adding thermal energy

• Removing thermal energy

• Increasing pressure

• Decreasing pressure

Tags

NGSS.MS-PS1-4

Every substance has a specific ______ point.

Tags

NGSS.MS-PS1-4