Thermal Expansion

What happens to particles when you heat an object up?

• Particles become slower and require less space.

• Particles get closer to one another.

• Particles start moving faster and need more space.

• Particles start to disappear and reduce size.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

• Calculate volume or mass.

• Calculate the thermal expansion.

• Calculate the expansion coefficient.

• Calculate the speed of a particle.

Tags

NGSS.HS-PS3-4

The expanding of matter when it is heated is known as -------

• Condensation

• Evaporation

• Thermal expansion

Tags

NGSS.MS-PS1-4

The liquid in thermometer ---------- as the temperature increases.

• Expands

• Decreases

• Freezes

Tags

NGSS.MS-PS1-4

Objects gain heat and -------

• Contract

• Expands

• Decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to air when it is heated ?

• Particles moves faster and expands

• Particles move slow and contracts

• Particles freezes

Tags

NGSS.MS-PS1-4

What is Thermal expansion?

• Decreases in a materials  volume when its temperature decreases 

• The movement of fluids in a cycle because of convection 

• A material through which  thermal energy does not flow easily.

• increases in a materials  volume when its temperature increase

Tags

NGSS.MS-PS1-4

What is happening to the fluid inside the thermometer in this image?

• vaporization

• thermal contraction

• boiling

• thermal expansion

Tags

NGSS.MS-PS1-4

Objects gain heat and _________.

• expand

• contract

Tags

NGSS.MS-PS1-4

When temperature increases, distance between particles ______________

• decreases

• increases

• stays the same

Tags

NGSS.MS-PS1-4