Knowledge is POWER
k More people use
electrical energy than
any other form of
energy.
k The amount of
energy that Americans
consume doubles every
20 years.
k Compact fluorescent
light (CFL) bulbs
use about 80%
less electricity
than conventional
(incandescent) light
bulbs and last up to 12
times as long.
CHECK IT OUT
“Power Up” is a fun
new online game where
players try to choose
the right amount and
right type of power to
k In the average
home, 75% of the
keep the lights on. Visit
electricity used to
www.myamerican
power home electronics
farm.com to play.
is consumed while the
products are turned
off but still plugged
in—this is known as
vampire power.
Inefficient appliances,
drafty windows and
doors, poor insulation,
and other fixable
energy wasters cost
Americans an estimated
$300 billion a year.
Say hello to “Power!”
He helps members of
TALK ABOUT IT
rural electric coopera-
Find a partner and to-
tives use energy wisely.
gether list 10 smart
ways you can each
Meet him at
help to conserve
www.powerworksfor
electricity.
you.coop
REVIEW
1. Which of the following
energy resources is not
renewable:
r Wind
r Water
r Natural gas
r Sunshine
5. Nonrenewable energy
sources are also called:
r Fossil fuels
r Nature’s sources
r Fast fuels
r Power resources
6. A base load of energy
is:
r The energy creat-
2. Giant wind turbines
ed when a light is
collect the wind’s energy
switched on
of motion. Energy of
r The minimum amount
motion is known as:
of electricity delivered
r Mechanical energy
or required at a con-
r Potential energy
stant rate over a set
r Kinetic energy
period of time
r Renewable energy
r The weight of a set
amount of electricity
3. Mechanical energy is
over a one-hour period
the sum of what two other
r A nickname for renew-
types of energy?
able energy
r Kinetic energy and
hydro energy
7. Mining is important to
r Potential energy and
both:
kinetic energy
r Renewable energy and r The earth and the
oceans
potential energy
r Renewable and
r Biomass and electric
nonrenewable energy
energy
resources
r Reliability and access
4. Geothermal energy
r Hydropower and
works by using energy
from:
mechanics
r Oceans
r Landfills
r Gravity
r Earth
8
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