Recycling
What percentage of energy does recycling aluminum save?
95%
What summer time thermostat setting is the best balance between saving energy and being comfortable
75 - 78 degrees Fahrenheit
True or false. Trash can be burned to generate electricity
True. but not all trash should be burned
What is the most common use of wind power?
Generating electricity
What are two things you can do to save energy that require no special equipment
Turn lights off when leaving a room, turn off the TV and other electronics when not in use, unplug appliances with phantom loads when not being used, open or close the blinds to control the sunlight entering a room, use light from the window instead of turning on a light
What percentage of energy does recycling steel save?
75%
What is one thing you can do to stay warm without turning up the heat
Put on a sweater, drink a cup of hot tea or cocoa, get up and move around, pull a blanket over your lap
How many pounds of garbage have the same energy as in 500 lbs. of coal
2,000 lbs.
Besides generating electricity, name a use of solar power.
Heating interior spaces, heating water
What does the ENERGY STAR rating mean
The device has met minimum requirements of energy efficiency as set out by the U.S. Department of Energy - its a very efficient device or appliance
Name two benefits of recycling
Saves energy; saves transportation costs and energy; saves raw materials for other uses; keeps materials out of landfill
True or false. The moisture level in the house has nothing to do with heating or cooling
False. Too much moisture in the summer feels warmer and too little moisture in the winter feels cooler
Every day, how many pounds of trash does each American produce
About 4.4 lbs.
Why can't everything be powered with solar power?
Solar power is not available all day long, and is not intense enough in winter months or on cloudy days
Which light bulb type is least efficient - incandescent, CFL or LED
Incandescent
True or false: Aluminum can only be recycled once
False. Aluminum can be recycled over and over and over again
How can running a humidifier in the winter help your heating costs
Moist air holds more heat, so properly humidifying the air will help it stay warmer longer
What percentage of American trash is burned for its energy
12.8%
What are two advantages to using hydropower
Clean, free, easy to use, available day or night
True or false: CFL bulbs are not dimmable
False. Special CFL bulbs are manufactured that are ok to use with a dimmer switch
True or false: recycled steel is weaker than new steel
False. Recycling steel does not change the strength of the steel.
How can running a dehumidifier in the summer help your cooling costs
Warm air holds more heat, so removing excess moisture from the air will help it cool down faster
Compared to coal, how much carbon dioxide is produced when trash is burned to generate electricity
Less than half
What are disadvantages to solar power
Relatively few areas of the U.S. have enough sunlight for its to be practical, the equipment is expensive and fragile, solar farms require a lot of land
Which uses less energy, warming a slice of pizza in the microwave or in the oven
Microwave