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Ecology 6th grade
Question | Answer |
---|---|
Why are fossil fuels considered to be NONRENEWABLE resources? | They are used faster than they are produced. |
What are the three types of fossil fuels? | Coal, oil, and natural gas. |
What is coal formed from? | Dead, swamp plants. |
What is the cleanest burning (lowest levels of air pollutants) fossil fuel? | Natural gas |
Which fossil fuel is gasoline made from (refined)? | petroleum, oil. |
What is the difference between a renewable resource and a nonrenewable resource? | Renewable means that it can be replaced. |
Five renewable resources of ENERGY. | solar, hydroelectric, wind, tidal, and biomass |
Non-renewable resources | Resources that cannot be replaced. |
Examples of non-renewable resources | Coal, oil, natural gas |
Fossil fuels | They are non-renewable resources |
What are biomass fuels? | Sewage, wood, and other trash. |
What are the four R's? | reduce, recycle, renew, and reuse. |
Explain the following methods of soil conservation (crop rotation, no till farming, terracing, cover crop, and contour plowing. | 1 Alternate crops each year so nutrients rebuild in the soil 2 Dead stalks & roots are left in soil to help hold in place 3 Farm on terraces built along a hill. slows down water 4 Planting a crop (hold soil in place) 5 Plowing fields (curves/slope) |
List 3 ways you can conserve water at home | 1 Turn off water while brushing your teeth 2 Take short showers 3 Only use washer with full loads |
List 3 ways that you can conserve energy at home | 1 Turn lights off when out 2 Only turn air on when needed 3 Only plug things in when needed |
What is the difference between point source and non point source ? | Point source is where you can see where the pollution is coming from and non point source is where you cant see where the pollution is coming from |
Define energy conservation | Energy conservation is when you reduce energy |
Define agriculture | Use drip irrigation systems instead of sprinkler irrigation systems |
List 3 disadvantages and advantages of hydroelectric power | Dis - 1) Too much water 2) Disturbs habitats 3) Expensive Advan - 1) No pollution 2) Renewable 3) Helps climates |
What are biomass fuels? | Sewage, wood, and crops |
What is the difference between geothermal energy and solar power? | Geothermal is from the shallow ground, to hot water, and hot rock Solar power uses the sun. |
What is happening to our reserves of fossil fuels because of our increase of population? | The fossil fuels are running out because there are too many people using them. |
What was the Dust Bowl? | When a bunch of dust clouds formed and destroyed a lot of things. |
What was the main cause of the Dust Bowl? | Drought |
Which part of the US did the Dust Bowl begin? | Midwestern and southern plains. |