Introduction to Technology

Chapter 7: Energy and Power for Technology

Self Check Quiz

1
We use flowing water to generate hydroelectric power. "Hydro" means
A)electricity
B)wind
C)natural gas
D)water
2
__________ draws on energy from the sun.
A)Hydroelectric power
B)Solar heating
C)Fossil fuel
D)Uranium
3
What unit is used to measure energy from food?
A)calories
B)gallons
C)watts
D)joules
4
More of our energy comes from __________ than from any other source.
A)uranium
B)oil
C)coal
D)wind farms
5
__________ is a measure of the work done over a certain period of time.
A)Temperature
B)Load
C)Power
D)Energy
6
Putting liquids under pressure results in __________
A)hydraulic power.
B)pneumatic power.
C)hydro power.
D)thermo power.
7
What is the dangerous pollution caused in part by sulfur-burning coal?
A)smog
B)acid rain
C)fallout
D)littering
8
We can save energy by
A)setting home thermostats at or below 65 degrees in winter.
B)turning off the lights when we leave the room.
C)walking or riding a bike.
D)all of the above.
9
The Greenhouse Effect is caused in part by
A)wind farms.
B)geothermal energy.
C)burning fossil fuels.
D)acid rain
10
__________ is the ability to achieve a desired result with as little effort and waste as possible.
A)Power
B)Load
C)Work
D)Efficiency
Glencoe Online Learning CenterTechnology Education HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.