1. gas
gas
liquid
gas
liquid
solid
solid
gas
liquid

2. State of matter changing to another
Bell work
2. What is a phase change? Give an example. Is it a physical or chemical change?
State of matter changing to another
melting
physical

3. Let’s watch a video clip about matter!
States of Matter
Click to go to the next slide.

4. Temperature
12. Temperature is the measurement of how fast the particles are moving. Temperature measures the kinetic energy of the particles in an object.
Water will freeze at zero degrees Celsius. However Alcohol will not freeze at this temperature.
MAIN
MENU
PREVIOUS
NEXT

5. gas
Boiling or condensing
Melting or freezing
liquid
solid

6. Pressure
13. Pressure is defined as the force the gas exerts on a given area of the container.
MAIN
MENU
PREVIOUS
NEXT

7. 14. Gas Laws - Boyle’s Law
Charles Boyle determined that for the same amount of a gas without changing the temperature, if we increase the volume, the pressure goes down.
pressure
volume
MAIN
MENU
PREVIOUS
NEXT

8. 15. Charles’ Law
Jacques Charles found that as the volume increases the temperature also increases. If the temperature decreases than the volume also decreases.
volume
temperature
MAIN
MENU
PREVIOUS
NEXT