1. Physical Science: Matter
Matter, matter everywhere. There's matter in your hair. Matter in the air. There's even matter in a pear! There's liquid matter, solid matter,
and matter that's a gas. Even you are matter, because you have volume and mass!
This is how I describe the "stuff" we call matter.
In trying to make sense of the universe, scientists have classified everything that exists into two broad categories: matter and energy.
Simply stated, matter can be thought of as "stuff" and energy is "the stuff that moves stuff."

2. Matter In science, matter is almost everything in the world.
Matter makes up everything including living people.  It also makes non-living things such as a rock.  
Things as big as an elephant or as tiny as a grain of sand on a beach are matter. Some matter can move around, like you and me, but other things can't, like mountains or trees.

3. Measuring Matter Mass: Mass is the amount of matter in an object.
Use a Balance Scale
to find Mass.
Volume:
The amount of space that
matter takes up.
Use a Graduated Cylinder
to find Volume.

4. Property of Matter! Ways to describe matter. A property of matter is a
way of describing it. We have
already talked about volume
and mass. The volume of
something is a property of
matter, and so is the mass
of something.
Other properties of
matter include things
like color, shape, hardness,
temperature, odor,
and texture.

5. Atoms Atoms are the smallest subject of matter or life.
If you split an atom it makes a bomb.
That bomb is the atomic bomb. 
It was invented in 1919 in
New Zealand by British 
physicist Emest Rutherford.
The word atomic comes from
the word atom.

6. Elements
Matter is made up of one or a combination of atoms. Scientists know about 100 different kinds of atoms.   An element is matter that is made up of only one type of atom. Copper, iron, silver, and gold are examples of  solids that are elements. Helium is a gas that is also an element because it's only made up of one kind of matter (helium atoms).  Elements are known as the building blocks of matter.

7. Solids- Liquids- and Gas
To further simplify things, matter has been broken down into three basic types, or "states of matter": solids, liquids, and gas.
(Actually there are more than three,
but we're going to concentrate on
the main forms here.)

8. Solids Video Solids have their own shape.
Solids particles are locked into place, but are still vibrating.
Look around you.  What solids do you see?   A table, a chair, and books are all solids.  You can't change the shape of solids very easily.  It always takes some work.

9. Liquids
Liquids are the second form of matter. Every liquid has a little portion of water in it.
Liquid’s particles are close together and slide past each other.
All liquids move on their own and take the shape of what they are being poured into, unlike solids.
Video

10. Gases
Video
Gases are forms of matter without shape and volume.  Gases are the third from of matter.
Gases particles are far apart and move quickly.
Oxygen and nitrogen are gases you can smell.  Chlorine is used to clean out germs in water.  It can be very harmful in large amounts.  Helium is a gas that makes balloons float.
Gases can be very useful, but must
be used carefully.

11. Physical Change
Matter can change from one state to another, which we call a "physical change or a change in state" Physical changes usually occur when heat (energy) is either added or taken away.
A good example of a physical change is when an ice cube melts. It starts as a solid but when you add heat, it turns into a liquid.
The cool thing about a physical change is that it can be reversed. If you take the liquid water from the melted ice and cool it down again (remove the heat), it turns
back into a solid!

12. Outrageous Ooze! Solid or Liquid?
What do I need:
newspaper large bowl or pan
measuring cups food coloring (if you want)
1 cup of dry cornstarch 1/2 cup of water
1. Put newspaper down on your counter or table top.
2. Put the cornstarch into the bowl.
Add water slowly, mixing the cornstarch and water with your fingers until all the powder is wet.
3. Keep adding water until the Ooze feels like a liquid when
you're mixing it slowly.
4. Then try tapping on the surface with your finger or a spoon. When Ooze is just right, it won't splash--it will feel solid. If you Ooze is too powdery, add a little more water. If it's too wet, add more cornstarch.
5. Play around with your Ooze! Pick up a handful and squeeze it.
Take a blob and roll it between your hands to make a ball. Then stop rolling. The Ooze will trickle away between your fingers.