Tues./Wed. April 21/22

Today we will explore chemical reactions and watch some demonstrations. The five pieces of evidence that prove that a chemical reactions took place are:

1. Bubbles form- a gas is given off
2. A color change occurs
3. A precipitate is formed-a solid substance is formed from two or more liquids
4. Energy change
5. A new substance is formed (all chemical reactions need this piece of evidence)

Please try the Standards Check questions found here.

Homework: None