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Energy

Energy vocabulary

TermDefinition
What is energy The ability to do work
All energy can be broken into 2 types of energy : Potential & Kinetic
What is stored energy called Potential energy
What is energy in motion called Kinetic energy
What do you call the fuels formed millions of years ago Fossil fuels
Name the 3 fuels formed millions of years ago Coal, oil, natural gas
There are 3 levels to the energy pyramid. What are the levels from bottom(greatest), middle, top (least) Consevation, efficiency, renewable
What does energy conservation mean? It is a change in a person's habits. It does not cost you money But it does make you change your lifestyle. Turning off lights.
What does energy efficiency mean? Using technology that requires less energy. You must change something. It may cost you upfront but will save you money in the long run. It also uses less energy. Using an LED or CFL light.
Define what renewable energy is made from resources that nature can replace. It is clean energy but can not be stored.
Define what nonrenewable energy is come from sources that can run out or will not be replenished in our lifetime. (fossil fuels)
What is a Vampire Devices ? Electronics that use electricity even though the power switch is off. Examples: computers, phone chargers, DVD player, printers, game consoles, night lights, VCR,
The greatest engineering achievement in the 20th century is Power Grid
About what percent of electricity comes from fossil fuels 86%
What renewable energy comes from heat underground? geothermal
About how many years ago were fossil fuels formed? 350 million years ago
What renewable resource comes from the sun? solar
What renewable resource comes from decaying plants and animals? biomass
What renewable resource comes from falling or flowing water? hydropower or hydroelectric
What renewable energy comes from the turning of turbine blades? wind turbines
Why are solar and wind unreliable They depend on the weather
After energy is produced in a Power Plant where does it go? Large distribution towers at a high voltage
Volts must be __________ when traveling long distances? high
What percentage of enegy is wasted when it travels through the power grid? 60%
When energy gets to substations. What does the voltage do before going into the transformers? it goes down
What do the tranformers bring the volts to before entering your home 120 volts
Created by: ckasper
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