properties and changes quiz
What is a chemical change?
A change in matter that produces one or more new substances
List 5 or more ways you can tell if a chemical change occured
Precipitate, burning, change in temperature, change in color, and tarnishing
What is Chemestry
The study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
what is one example of a physical change.
dissolving salt in water
which is not a physical property? flammability, density, size change, or breaking
flammability
what is the Law of Conservation of Mass?
matter cannot be created or destroyed
State of matter change is clue that a ___________ occured.
physical change
what is density?: Chemical change, Physical change,physical property or chemical property.
physical property
on the left side of an chemical equation, what is it: product, reactant, precipitate, or chemical change.
reactant
what is a chemical change, in your own words?
rearrangement of atoms to create new products without humans help