Chemical Reactions Review 1

Match it! Select the correct answer from the pull down...Good luck!

Observable changes that indicate a chemical reaction occurred include 2 types. Name the 2 types.

Milk and Vinegar are mixed together. Small solids are produced. We call these solids ____

If two chemicals are mixed together and BUBBLES are produced, what does this indicate?

If a chemical reaction occurs what kind of change MUST happen?

The beginning temperature of a beaker of liquid is 86 degrees. Then another liquid is added and the temperature drops to 80 degrees. What kind of energy change is this?

Everything around us is made of ___.

EVERY chemical reaction produces ___ substances that are different than the substances that started the reaction.

Reactions that RELEASE energy and INCREASE temperature are called