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Renewable Energy
Renewable Energy Resources vocab
| Question | Answer |
|---|---|
| Source of energy that travels in electromagnetic waves | Solar |
| Fossil fuel that provides the U.S. with almost half of its electric needs | Coal |
| Source of energy that results from organic materials | Biomass |
| Fuel made from corn | Ethanol |
| What is the main disadvantage/argument against nuclear power plants? | Radioactive nuclear waste |
| A resource that can be replenished | Renewable |
| Energy sources that do not deplete fossil fuel reserves | Alternative Energy |
| Energy that is captured from the movement (flow) of water | Hydroelectric |
| A device that converts radiant energy from the sun into electrical energy | Photovoltaic cells |
| The radioactive element that is used in a controlled fission reaction | Uranium |
| Fossil fuels are anticipated to run out in | 50-70 years |
| Non-renewable resources that take millions of years to form are called | Fossil fuels |
| What are the negative consequences of using fossil fuels | Greenhouse gases, acid rain, pollution |
| This renewable energy source has a very expensive initial cost and therefore many homes have not chosen to utilize this source | Solar |
| Energy is defined as the ability to cause | Change |
| The earth's primary source of energy | Sun |
| Oil can be refined to make | Gasoline |
| A material that does not carry electrons easily | Insulator |
| A material that does carry electrons well | Conductor |
| Using a battery to operate a flashlight is an example of transforming _______ energy to _______ energy. | chemical, electrical |
| Using a blow dryer is an example of transforming _________ energy to ________ energy. | electrical, thermal |
| Energy that comes from heat inside of the earth | Geothermal |
| A device that converts kinetic energy into electrical energy | Generator |
| What is the main benefit of using fossil fuels over alternative energy sources? | less expensive |
| Energy from the earth's oceans and their water movement | Tidal power |
| The uneven heating of the earth's atmospheric layers causes | Wind |
| Burning fossil fuels release what gas into the atmosphere | Carbon dioxide |
| Energy due to an objects place or position | Gravitational potential energy |
| One way to save energy and lower electric bills is to use ______________ effectively | Insulation |
| ___________ and __________ are the biggest part of an energy bill. | Heating, cooling |
| Insulation is rated by ___________. The higher the rating then the more effective the insulation is at resisting the transfer of heat. | R-value |
| Ventilating a home's attic helps reduce solar heat gain, therefore reducing | Energy costs |
| Energy can be produced by stripping the electrons from hydrogen gas using a | Hydrogen fuel cell |
| When a home has air leaks around windows and door frames, energy is wasted. A home can be sealed using __________. | Caulk |
| A generator uses the kinetic energy from a spinning _________ to turn its metal coils which results in an electrical field. | Turbine |
| Reflective materials such as aluminum or other metallic foils that are placed under roofs in order to reduce the amount of heat transfer to the attic. | Radiant barrier |