Wednesday, January 7, 2009

Chemical Changes

In class we have started looking at chemical reactions and chemical changes. Do you remember the four signs to identify a chemical change...

1?
2?
3?
4?

3 comments:

Jessica Blanchard said...

color, new substance is formed, light and heat, release of energy.

Mint-Chocolate-Chip-Ice-Cream said...

Color, New substance is formed, Light and Heat, and the release of energy.

Autumn From
Mr. Herrington's room

Jordan said...

color, new substance is formed, light and the release of ENERGY!!