1. MATTER

2. True/False Quiz Matter must have mass Matter must take up space
Air is matter
Matter can be in different shapes
Matter can exist in 3 states

3. What is matter? Anything that has mass and takes up space
Examples?
How can we describe an object made of matter?
Is air matter? Gas? (yes)

4. Physical Properties
Characteristics of a substance that can be observed or measured without changing the substance into something else
They help us identify different types of objects
Examples?
color, taste, height, weight, boiling point, melting point

5. Physical Properties Mass: amount of matter in an object
Measured in grams
Weight: measure of the pull of gravity on an object
Measured in newtons
Volume: amount of space that an object takes up
Can be measured using a graduated cylinder
Can be calculated (Length x Width x Height)
Density: the concentration of matter in an object
Can be calculated (mass ÷ volume)
Solubility: ability to be dissolved
Would your mass change if you went to the moon? (no)
Would your weight change if you went to moon? (yes)
So mass and weight both depend on the amount of matter in an object, but weight also depends on the pull of gravity

6. Three States of Matter Solid: has definite shape & definite volume
Liquid: has definite volume, but no definite shape
Gas: no definite shape or volume
Solid- feels firm b/c the particles are packed so tightly together
Liquid- particles move more freely, so a liquid can change shape (flow and take the shape of its container)
Gas- particles are farthest apart and freer to move around, can also take the shape of its container

8. Changes Between States
Freezing: liquid solid
Melting: solid liquid
Boiling: liquid gas
Occur when heat is added or removed
Do not change a substance (water is still water)

9. Physical & Chemical Changes in Matter
Physical changes:
no new substances are formed
Changes in state
Chemical changes:
One or more new substances are formed
Also called chemical reactions
*Matter is neither produced nor destroyed during these changes
Physical change example- ice melts into liquid water; liquid water boils and changes into water vapor (it’s still water)
Chemical reaction example- burning (when charcoal is burned carbon reacts with oxygen to produce carbon dioxide)

10. What’s next? Science cards Learning more Experiments!
Now...it's Brain Pop time!

11. What is Sublimation? This is when a solid changes directly into a gas.
Watch and see!