L11. Exothermic & Endothermic

Endothermic and Exothermic reactions

Keywords: Exothermic, endothermic, energy, temperature
ALL: Define the terms exothermic and endothermic
MOST: interpret experimental data with respect to endothermic and exothermic reactions
SOME: describe examples of exothermic and endothermic reactions
S: Think, pair & share- what is the difference between exothermic and endothermic?

I: Introduce the idea of exothermic and endothermic reaction:

M:
A1- exothermic or endothermic reaction practical (10 min)

A2- Exothermic or Endothermic discussion in small groups (fire, self-heating cans and ice)

A3- Amber assistance/dedicated improvement time.

P- Exothermic or Endothermic
Stand up= Exothermic
Sit Down = Endothermic


Dilute solutions of sodium hydroxide, hydrochloric acid, sodium hydrogen carbonate and citric acid.