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Vocabulary
Physical Changes
Physical Properties
Chemical Changes
Inferences
100
Anything that takes up space and has mass
What is matter?
100
A change because of losing heat
What is freezing?
100
Red
What is color?
100
Another word for chemical change.
What is chemical recaction?
100
It becomes a solid (water).
What happens when water goes below 32 degrees?
200
A substance made of just one kind of atom
What is an element?
200
A change because of gaining heat.
What is melting?
200
Square
What is shape?
200
What happens when you add baking soda to vinegar.
What is fizzing or exploding?
200
You have water vapor and salt in the bottom of a pan.
What happens when you boil salt water?
300
A trait of a substance by itself
What is a physical property?
300
A change because of gaining a lot of heat
What is boiling or evaporation?
300
Soft
What is texture?
300
Color, Smell, Heat given off, new substance formed, new physical property.
What are clues to a physical change
300
The steel wool is rusty.
What happens when you put steel wool in water and air?
400
A change that does not result in a new substance
What is a physical change?
400
Pencil shavings
What is sharpening a pencil?
400
They are shiny and can be stretched thin.
What are metals?
400
You get a brown loaf.
What happens when you bake bread?
400
You have hot ashes in the fireplace.
What happens when you burn wood (or coal)?
500
A change that results in the formation of new substances
What is a chemical change?
500
Shred of paper
What is tearing up paper?
500
They are brittle and cannot be stretched thin
What are nonmetals?
500
It smells awful!
What happens when eggs rot?
500
The hydrogen and oxygen made water.
What is an example of a chemical reaction?