a: exothermic reaction ~
b: rolling a rock down a hill
What:
"An exothermic reaction is like rolling a rock down a hill. A match is like giving a rock a shove. Either type of reaction may require a start from a ..."
Useful?
Writer: Not Stated
LCC:
Where:
Date: May 14 2017 10:54 PM
# 11198 Critique Analogy