| A | B |
| heat | We use energy sources to _____our houses and buildings. |
| seperate | Hydrogen is not a good energy source as of now because it takes us more energy to ________ it from the water than we actually would gain from it. |
| electricity | Energy sources help to provide our homes with _________ to power many forms of technology. |
| fuel | a substance that provides a form of energy |
| combustion | the process of burning a fuel |
| mechanical energy | th energy of movement |
| oil | the fossil fuel we use a lot of, but don't HAVE a lot of |
| coal | a dangerous fossil fuel to mine |
| natural gas | a dangerous, highly flammable fossil fuel that is naturally odorless |
| coal | became popular during the Industrial Revolution |
| fossil fuels | created with enough heat and pressure form the remains of once living things |
| refinery | a factory where crude oil is seperated into fuel and other products |
| petrochemicals | compounds derived from oil and used in things like plastic and paint |
| nonrenewable resources | resources that are not replaced as they are used |
| nucleus | central part of an atom containing protons and neutrons |
| nuclear fission | the breaking apart of a nucleus into two smaller nuclei, releases energy |
| nuclear fission | the joining of two nuclei into a larger nucleus, relases energy |
| Uranium 235 | fuel used in nuclear fission |
| Chernobyl, Ukraine | site of a nuclear disaster |
| fusion | type of nuclear reaction that is not used yet as an energy source |
| energy conservation | reducing energy use |
| efficient | a light bulb that uses less energy to produce the same amount of light is more _______ than the others. |
| insulation | used to block heat transfer to reduce energy use for heating and cooling in buildings |
| public transportation | One way to reduce energy use on the road is to use _______ because it reduces the number of cars on the road. |
| light | One way to conserve energy is to use natural ______ in your home. |
| recycle | To conserve energy, we can reduce, reuse, and ____________. |
| solar energy | energy that comes from the sun |
| expensive | We have issues with many renewable resources becuase the technology that goes along with them is very __________. |
| turbine | Both wind and moving water can move a ________, which generates electricity. |
| biomass | A ______fuel is made from things that were once alive. |
| geothermal | ________ energy is created from the heat within Earth. |
| magma | The issue with geothermal energy is that _____ does not come close enough to the surface in most places. |
| hydrogen | _______ would be an excellent energy source because it is found in all water on Earth. |
| transportation | We use energy sources in many forms of _________ to get us from place to place. |