What is a chemical change?
One kind of matter changes into
another kind of matter with different
What is combustion? Give an
process of burning. Burning log in a
fireplace giving off energy
What is a physical change?
the identity of the matter does not
What are some examples of
evidence that a chemical change has
color change, fizzing or bubbling,
the production of heat or light,
formation of a solid, change in energy,
or formation of gas