OUTCOME
By the end of the lesson you will be able to apply relationships for energy and power to electrical circuits.
Engage
The relationships for energy and power can be derived from our understanding of current and voltage
A battery works by creating a potential difference using a chemical reaction
LEARNING TASKS
Explore and elaborate
Power use of an electric motor
Q? Is the amount of energy needed to run your phone bigger or smaller than the amount of energy you ate at breakfast?
Evaluate
Ex 3.6, p. 101
DPQs 2.3.12-3
Reading for next lesson p.91-100