GK02150152
SCIENCE KEY CONCEPTS: REACTIONS AND ENERGY CHANGES
The three concepts below, each run 5 minutes , and clearly show with a excellent experiments and computer animation what is happening visibly during the experiments and invisibly at the molecular level.

Exothermic and Endothermic Reactions
Reaction Rates
Catalysts
DVD
Grades 9-12
15 minutes
2000
USD 195.00
 
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