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Anthony Science
Stack #58752
| Question | Answer |
|---|---|
| Electric fields | surronds electric charge; affects other charges; stronger as you get nearer |
| Electric charges | atoms contain particles with its charges; protons(+) and electrons (-) and opposites |
| Static electricity | an accumulation of charges on an object |
| Current electricity | flow of specific charges through conductors |
| conductors | materials that allow electricity to pass easily |
| insulators | materials that slow down the flow of electricity |
| parallel circuit charactericstics | all devices have initial power supplied through them |
| wind energy | created by using hundreds of windmills no pollution but needs a lot of wind, noisy and distrud migration |
| solar energy | uses cells to collect energy from sun enough hits earth in a day to power us for one year, but exspensive and sun not out all the time |
| Hydroelectricity | use gpe to pull water down a dam through the urbines; no pollution and 2x's efficient as fossil fuel |
| fossil fuel | energy soures formed from the remains anicent animals and plants; takes millions of years to form. oil natural gas, and caol running out |
| nuclear energy | atomic nuclei are split in fission realesing large amounts of heat fusion radioactive waste |
| magnectic force | interaction between magnets, stronger as you get closer to the poles |