Chemical Reaction

1. Mixing calcium chloride and phenol red produced heat and a change in __.
6. Substances that are mixed during a chemical reaction.
8. A substance that dissolves other substances.
10. A precipitate, also called a __ can form when 2 liquids are mixed during certain chemical reactions.
11. Sometimes with gas formation happens in a chemical change you will see these.
12. This type of change makes something look different but the chemical formula doesn't change.
14. This process releases energy and feels warmer to the touch.
16. This type of change makes something new.
17. Can change states and become ice or steam, these changes are physical changes.

2. When cooking it is common to have a change in __ (smell).
3. New substances that are created after a chemical reaction.
4. This process absorbs energy and feels colder to the touch.
5. This is the proof to support your claim.
7. __ of mass is the law that says you have the same atoms and amount of atoms(mass) before and after a chemical reaction.
9. An exothermic or endothermic reaction describes a change in __.
13. A substance that gets dissolved in a solvent.
15. After an investigation you come up with your conclusion. This part is your short answer.