SEMESTER EXAM Flashcards
Share 3 reasons why oil is precious and non-renewable
We have a limited amount of oil.
Oil has a ton of energy and is hard to dispose of.
We are using more oil than we are producing.
Explain the Economic, environmental, and political impacts of energy consumption.
Global warming affects the rainwater and freshwater supply so we are getting smaller freshwater resources.
China is buying more land from other countries to support its growing population.
The more population we have the more farmland and trees we have to cut down.
What is energy
The ability to do work.
What is the final source of all energy?
The sun
Know what causes day and night and what causes the season to happen.
The rotation of the earth on its axis causes day and night.
The revelation causes the season.
The first law of Thermodynamics
Energy can’t be created nor destroyed, just transformed from one form to another.
What is the difference between conservation and efficiency?
Conservation is a habit, and Efficiency is equipment.
3 methods of conservation
Taking shorter showers.
Turn off lights when leaving the room.
Leaving windows open when it is cooler out.
3 methods of Efficiency
Use LED light bulbs
Smart thermostat
Insulate your house
3 sources of Renewable energy
solar power
wind power
Hydropower
3 sources of non-renewable energy
wood
coal
oil
A
Current
Volts
Electromotive force
Watts
Power
KwH
Electrical Energy
