14. How Can You Save Money on
Pizza and Electricity?
Get Smart! Waste Less!
15. How much does it cost to watch Ben
10 Alien Force?
How long is the show? 30 minutes per episode
How many times per month
do you watch it?
5 days per week x 4 weeks per
month
How much electricity does
your TV need to run?
250 watts
How much money does a
kilowatt-hour cost?
12 cents per kilowatt hour
(kWh)
16. ?
Project: How much does it cost to
watch your favorite show per year?
(How many favorite shows do you have?!)