Chemical Reaction

1. Sometimes with gas formation happens in a chemical change you will see these.
4. Can change states and become ice or steam, these changes are physical changes.
6. This process releases energy and feels warmer to the touch.
7. A precipitate, also called a __ can form when 2 liquids are mixed during certain chemical reactions.
9. New substances that are created after a chemical reaction.
11. A substance that dissolves other substances.
12. When cooking it is common to have a change in __ (smell).
13. This type of change makes something new.
15. An exothermic or endothermic reaction describes a change in __.
16. Substances that are mixed during a chemical reaction.
17. This type of change makes something look different but the chemical formula doesn't change.

2. This is the proof to support your claim.
3. __ of mass is the law that says you have the same atoms and amount of atoms(mass) before and after a chemical reaction.
5. This process absorbs energy and feels colder to the touch.
8. Mixing calcium chloride and phenol red produced heat and a change in __.
10. A substance that gets dissolved in a solvent.
14. After an investigation you come up with your conclusion. This part is your short answer.