Matter
what is matter?
anything that takes up space
What is a physical change?
Physical changes are changes in the size, shape, state, or appearance of matter.
What is a chemical change?
Chemical changes happen when matter changes into a different kind of matter
what are the 3 states of matter?
solid, liquid, gas
What is freezing?
A liquid turning solid?
A chemical change happens when air hits metal, and ________ is formed.
rust
what is a solid?
Matter that has a definite shape and volume
What is melting?
What are 2 things you might see during a chemical change?
fizzling and bubbling
what is a liquid?
matter that has a definite volume but not shape
What is evaporation?
A liquid turning to a gas
Baking a cake
what is a gas?
matter that does not have a definite shape or volume
What are examples of physical properties?
size, shape, color, appearance
Something that starts a lot of chemical reactions is....
fire