1. Matter
Substance
Energy
Solid
Liquid
Gases

2. Kinetic Theory
Heat of Fusion
Heat of Vaporization
Viscosity
Amorphous solid
Compound

3. Anything that has mass and takes up space.
MATTER
Anything that has mass and takes up space.

4. SUBSTANCE Element: Compound:
Made up of elements and/ or compounds.
Element:
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- Individual atoms are all alike.
Compound:
- When 2 or more atoms are chemically combined together.

5. H H O
H2O

6. Substances can exist in different phases.
Solid phase
Liquid phase
Gas phase

7. A phase of matter that has a definite shape and volume.
SOLID
A phase of matter that has a definite shape and volume.

8. Most solids have atoms that are arranged in a regular and orderly way.
Some solids have atoms arranged in an irregular pattern.
These are called amorphous solids.

9. A phase of matter that has a definite volume but no definite shape.
LIQUID
A phase of matter that has a definite volume but no definite shape.

10. Do all liquids has the same “liquidy” property?
Some liquids have a different viscosity.
Viscosity is the resistance a liquid has to flowing.

11. A phase of matter that has no definite shape or volume.
GAS
A phase of matter that has no definite shape or volume.

12. What were the atoms doing in all three phases of matter?
Were they moving?

13. Matter is made up of tiny particles that are in motion.
KINETIC THEORY OF MATTER
Matter is made up of tiny particles that are in motion.

14. What causes the rate at which the particles move to change?
Energy determines how fast the particles move.
the greater the motion.
the greater the temperature
The more energy
The lower the energy
the lower the temperature
The slower the motion

15. There are three things that determine whether a substance is a solid liquid or a gas;
They are . . .
Temperature,
motion, and
spacing of the particles

16. In which phase of matter are the particles moving the slowest
In which phase of matter are the particles moving the slowest? The fastest?

17. Thinking question
What is Heat of Fusion?
Discuss with table partner

18. Before a solid can change to a liquid, energy has to gained in the form of heat.
In the reverse, before a liquid can change to a solid, energy in the form of heat must be lost.
This heat is called the
Heat of Fusion

19. Thinking question
What is Heat of Vaporization?

20. Before a liquid can change to a gas, energy has to gained in the form of heat.
In the reverse, before a gas can change to a liquid, energy in the form of heat must be lost.
This heat is called the
Heat of Vaporization