1. What Happens When Matter Is Heated or Cooled?
By: Mr. Leslie’s Class

2. Heating and Cooling Matter
Heating and cooling matter changes the motion of its particles and the spacing between them.

3. Thermal Energy and Matter
Thermal Energy is the total energy of the particles of matter.
Thermal energy is
related to the energy
of the moving particles.
Imagine that marbles
are the particles of matter.

4. What does Thermal Energy look like?
Thermal energy can be added to matter.
It can also be taken away.
You cannot see thermal energy, but you can feel it as heat.
HEAT – is the flow
of thermal energy from
a warmer area to a
cooler area.

5. Temperature
Is the measure of how hot or cold matter is. It also describes how fast the particles of matter are moving.
Particles of matter move slower at lower temperatures and faster at higher temperatures
Add Heat (Thermal Energy)
Solid
Liquid
Gas

6. How do people measure temperature?
The Celsius scale and the Fahrenheit scale.
Boiling point
Celsius is 100ºC
Fahrenheit is 212ºF
Freezing Point
Celsius is 0ºC
Fahrenheit is 32ºF

7. Changes in State solid liquid melting freezing gas boiling
Starts from:
Change to:
Name
solid
liquid
melting
freezing
gas
boiling
condensation
3 states of matter video states of matter song

8. Matter Stays the Same…