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Ch4 Earths Resources
Prentice Hall Earth Science
| Question | Answer |
|---|---|
| What is the meaning of a renewable resource? | A renewable resource is a resource that can be replenished throughout a few months, years, or decades. |
| What is a nonrenewable resource? | A nonrenewable resource is a resource that takes millions of years to form. |
| What is a fossil fuel? | It's any hydrocarbon that may be used as a source if energy. |
| What are the three main types of fossil fuels? | Fossil fuels include coal, oil, and natural gas. |
| What are tar sands? | Tar sands are mixtures of clay and and sand combined with water and varying amounts of black, thick tar called bitumen. |
| What is an oil shale? | Oil shale is a rock that contains waxy mixtures of hydrocarbons called kerogen. |
| What is an ore? | Ores are useful metallic minerals that can be mined at a profit. |
| What is solar energy? | Solar energy is the use of the sun's ray to supply heat or electricity. It is also the Earth's most abundant energy resource. |
| What are the two advantages of solar energy? | Solar energy has two advantages: the "fuel" is free and it's non-polluting. |
| What kind if machine makes wind energy? | A wind turbine. |
| What is geothermal energy? | Geothermal energy is harnessed by tapping natural underground reservoirs of steam and water. |
| What is hydroelectric power? | Hydroelectric power is power generated by falling water. |
| What is tidal power? | Tidal power is harnessed by constructing a dam across the mouth of the bay or an estuary in coastal areas with a large tidal range. The strong in-and-out flow that results drives turbines and electric generators. |
| What uses are there for water? | Each day, people have many uses for water such as for drinking, bathing, cooking, and growing fresh food. |
| What is a runoff? | A runoff is when water flows |
| What does Earth's land provide us with? | Earth's land provides us with soil, forests, minerals, and energy resources. |
| What is conservation? | Conservation is the careful use of resources. |
| What is the Clean Water Act (CWA)? | The Clean Water Act (CWA) is an industry that helps to maintain pollution away from water. |
| What is recycling? | Recycling is the collecting and processing. |
| What is air pollution? | Air pollution is when there a poisonous or harmful chemicals inserted into the air. |
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