Use the clues provided to fill in the blanks.

Word Bank: matter, color, same, particles, density, combust, property

1. CHOOSE ANSWER
is never destroyed or created in chemical reactions. 2. The CHOOSE ANSWER
number of CHOOSE ANSWER
that existed before the reaction exist after the reaction. 3. A CHOOSE ANSWER
change is a sign of a chemical change. One example of this is when a half-eaten apple turns brown.