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Chapter 9 JL AD
he called it what?!
| Question | Answer |
|---|---|
| Energy | ability to do work |
| Potential Energy | energy has object because of position/shape |
| Kinetic energy | energy of motion |
| You can add PE and KE to get | mechanical energy |
| KE | mv2/2 |
| PE | weight x height |
| Mechanical Energy | total energy of motion and position of object |
| ME | potential + kinetic |
| Thermal Energy | total energy of particles that make up object |
| Chemical Energy | energy of compound that changes as its atoms are rearranged to form new compounds |
| Electrical Energy | energy of moving electrons |
| Sound Energy | caused by object’s vibrations |
| Light Energy | produced by vibrations of electrically charged particles |
| Nuclear Energy | energy associated with changes in nucleus of atom |
| Non-renewable Resources | cannot be replaced after they are used or can be replaced only over thousands of millions of years (Ex-coal, petroleum, natural gas) |
| Coal | mainly used for electric power |
| Petroleum | supplies us with gasoline, kerosene, and wax as well as petrochemicals which are used to make synthetic fibers such as rayon |
| Natural Gas | used in heating systems, stoves, ovens, and in vehicles as an alternative to gasoline. Natural gas is the cleanest burning fossil fuel |
| Nuclear Energy | used to generate electrical energy |
| Renewable resources | can be used and replaced in nature over a short period of time |
| Solar Energy | sunlight can be converted into electrical energy through the solar cells which can be used in devices such as calculators or installed in a home to provide electrical energy |
| Hydroelectric Energy | electrical energy produced by falling water |
| Wind Energy | a wind turbine coverts kinetic energy into electrical energy by rotating a generator |
| Geothermal Energy | thermal energy resulting from the heating of Earth’s crust is called geothermal energy |
| Biomass | organic matter such as plants, wood, and waste that can be burned to release energy is called biomass |
Created by:
PhySciLewis1
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