Greenhill+VanWart+2015-2016

**Ms. Van Wart**
Your Task: Use your classroom combined data to answer the questions below to share in how to save the world.

1. What were the biggest vampires you found? GREEN CLASS: Although laptop chargers showed that they used the most energy on our data sheet, we think that someone must have collected their data while the computer was charging. Microwaves also used a lot of energy.

YELLOW CLASS: Our top three were the computer charger (4.17), the microwave (3.3), and the Keurig (3.7). We think that one of the chargers may have been plugged into a computer when it was checked because most of the chargers did not use any standby power.

2. How much money could your class save each month by unplugging vampires? GREEN CLASS: Our class would save $11.56 each month

YELLOW CLASS: Our class would save $8.86 each month

3. How much CO2 would be reduced if your class unplugged the vampires each month? GREEN CLASS: The class would reduce CO2 by 58.8 lbs.

YELLOW CLASS: The class would reduce CO2 by 73.82 lbs.

4. What was the most surprising thing you found while studying this standby power unit? GREEN CLASS: We were most surprised by the fact that even when devices are off some of them use energy. It was surprising how much money and energy we would save if we unplugged devices.

YELLOW CLASS: We were most surprised by how much money some of the appliances cost each month. We were also surprised at the devices in our house that used standby power.

Attach your classroom spreadsheet used for these calculations.