1. States of Matter \-
Students know matter has three forms: solid, liquid, and gas.
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2. What do you remember about matter ?
Think – Pair – Share Tell your partner what you remember about matter from last week. How do you know if something is matter?

3. Is called Matter We know that anything that takes up space and
has mass
Is called Matter

4. We also know that matter
is made of molecules, the
building blocks of the things
around us.
Matter is always made of the same building blocks, but it can change its state.

5. SWBAT describe the differences between solids, liquids, and gases.
Objective-
SWBAT describe the differences between solids, liquids, and gases.

6. The three basic states
of matter are:
Solid
2. Liquid
3. Gas

7. } Water is made of liquid water solid water water vapor
two hydrogen atoms and one oxygen atom. }
liquid water
solid water
water vapor
are all made of H²0

8. Think about the water cycle –
Where do we see water in that cycle;
In a liquid state?
In a solid state?
In a gasseos state, (water vapor)?

9. Solids have three main properties: They have a definite shape.
They have a definite mass.
They have a definite volume.
This means that a solid will always look the same,
take up the same amount of space,
and have the same amount of molecules in it.

10. Solid Water The particles in a solid are tightly packed
and don't have a lot of movement. There is not much free space in between the particles, so there is very little room for the particles to move.

11. Liquids They do not have a definite shape. They have a definite mass.
have three main properties:
They do not have a definite shape.
They have a definite mass.
They have a definite volume.
This means that liquids will always take up
the same amount of space and, have the same amount of molecules in it. However, because
it does not have a definite shape, it takes the shape of its container.

12. Liquid Water Liquid particles are not as close together
as particles in a solid, and move around
and slide past each other much more freely.
They have no regular shape or arrangement
and move freely.

13. Gases It does not have a definite shape.
have three main properties:
It does not have a definite shape.
It does not have a definite mass.
It does not have a definite volume.
This means that a gas does not always take up the same amount of space, nor does it weigh the same all the time. Like liquids, gases take the shape of their containers. However, they will fill the space they are given. That is why they don't always take up the same amount of space!!

14. Water Vapor The particles in a gas move freely at high
speeds. There is a lot of free space in between
the particles, and they take the shape of any
container

15. Watch an animation showing The different ways solids, liquids,
and gases move.
edu/gchelp/atoms/states.html

16. Pull out your white board.
and
Show what you know . . .
When I name the state of matter, write down what you know about that state.