Evidence of a chemical change might be:
1) a new substance is formed
2) gas is formed
3) energy is released
4) dramatic color change (i.e. putting kool-aid powder in water is not a chemical change)
(more pictures to come!)
Sunday, October 30, 2011
Students Experiments: Chemical Changes
Students demonstrated knowledge of chemical vs physical changes by bringing in examples of a chemical change.
Evidence of a chemical change might be:
1) a new substance is formed
2) gas is formed
3) energy is released
4) dramatic color change (i.e. putting kool-aid powder in water is not a chemical change)
Evidence of a chemical change might be:
1) a new substance is formed
2) gas is formed
3) energy is released
4) dramatic color change (i.e. putting kool-aid powder in water is not a chemical change)
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