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Ch.4 EARTH'SRESOURCE
PRENTICE HALL EARTH SCIENCE
| Question | Answer |
|---|---|
| What is a windmill? | A windmill is a devies that converts wind energy into usable energry otherwise known as potential energy. |
| How does a windmill store energy? | A windmill stores energy in several ways, one way is to store it in a battery, another way is through compressing air and having the energy bottle up. |
| What is point source pollution? | Point source pollution is a type of pollution that has a trafficable source. |
| What kind of mining produces the least amount of pollution? | In situ leach mining, is a great way of mining. It is the least polluting in the mining. |
| What is are the disadvantages to wind energy? | The windmills that harness the energy can create a lot of noise pollution, another one is it can harm the wildlife. The wind is also unpredictable and sometimes needs a particular spot, generally the coast or on top of mountians. |
| What are the advantages to wind energy? | The wind is free and with modern technologies it is making caputruing this energry more effiecent. It also does not create and release green house gasses or other pollutants. |
| What happens inside of a windmill? | The wind turns the blades, the blades are connected to a larger gear, the large gear hooks upto the smaller gear, this generates a larger amount of power. |
| What is solar energy? | Solar energy is when we harness the sun's rays and turn it into power, via solar panels. |
| What is tidal power? | Tidal power is energy captured when the tide turns an underwater turbine. |
| What is geothermal power? | Geothermal power is where they use steam from the earth to turn turbines. |
| What is hydrothermal power? | Turns water and a dam that releases water and powers the turbines. |
| What are the risks of mining? | The risk of mining are very large. There is a risk of cave-ins, explotions, and mechanical problems. |
| Why use these alternitave methods for power? | With a deminishing supply of oil we need to change our means of getting power to support life. |
| Who uses the power? | Everyone uses the power and since our oil is depleting. Soon it will be all electric cars among other things. |
| What are the risks of having air pollution? | Some of the risks are the fact that when there are majorly polluted areas these people have health problems. Another reason is that the wildlife have a hard time surviving too. |
| What are the disadvantages to open pit mining? | Open pit mining allows the polutants to rise out and pollute streams and local water ways, and the air can get some of the polluntants. |
| What happens when pollutants enter the water system? | With polluntants in our water we will feel the impact with reduced potable water as well as food, the fish can be harmed as well. |
| What are the risks of having a nuclear reacter? | The risk of having a nuclear melt down |
| What are the risks of putting a nuclear reacter on a fault line? | With the nuclear reacter on a fault line it is subject to the earth's shifting plates and could explode. |
| What are the disadvantages to solar power? | The sun is not always shining, so we are limited to when the sun's is shining. |
Created by:
SuperKaitlyn
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