What two things must matter have?
Mass and takes up space
Which state has a definite shape?
Solid
Name one physical property.
Color/ size/ texture/ shape
Is melting ice a physical or chemical change?
Physical
What tool measures mass?
Scale
Is air matter? Why?
Yes, it has mass and takes up space
Which state takes the shape of its container?
Liquid
Which property describes how something feels?
Texture
Is burning wood a physical or chemical change?
Chemical
What tool measures liquid volume?
Graduated cylinder
Give one example of matter.
Answers vary
Which state fills all available space?
Gas
Is color a physical property?
Yes
What is a physical change?
Same substance
Can matter be created or destroyed?
No
What is mass?
Amount of matter
Give one example of a gas.
Air
Name two physical properties of a rock.
Example: hard, gray
What is a chemical change?
New substance formed
What happens when sugar dissolves in water?
It is still there
What is volume?
Space something takes up
Compare solids and liquids.
Solid = shape + volume / Liquid = volume only
Why are physical properties important?
Help describe and identify matter
Name one sign of a chemical change.
Gas, color change, heat, smell
A student says:
"When a candle burns, the wax disappears."
Do you agree or disagree? Explain.
Disagree—matter changes form (gas, smoke), but is not destroyed