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20 Cards in this Set
- Front
- Back
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What are 3 main uses of land? What is included in each category?
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Agriculture-Food
Mining-minerals development-building things |
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What are the four layers of soil? What is each layer made up of?
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litter-dead leaves
top soil-rich soil subsoil-more rocks bedrock-rock that erodes to form new soil |
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What should you do to PREVENT nutrient depletion of the soil?
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Crop rotation
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What are the benefits of incineration?
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Can reduce wastes up to 90%
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What are the benefits of getting rid of wastes in a sanitary landfill?
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After a landfill is filled it can be covered and turned into a park or sports arena
Relatively easy to build |
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The 3 Rs of recycling stand for: Reduce, Reuse, Recycle. Explain how each helps the environment
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Reduce – by using less waste to begin with we have less to worry about
Reuse – if we reuse waste, we don’t have to throw it away Recycle – if we recycle, then we don’t need to use more of a resource & we use less energy |
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What does biodegradable mean? Name 2 items that are biodegradable
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Materials that can be broken down and recycled by bacteria
Paper, cardboard, apples, banana peels, coffee grounds,… |
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What are the 6 different kinds of hazardous wastes? What do they each include?
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Radioactive waste – items that give off radiation
Corrosive waste – items that dissolve many substances Everyday waste – items like paint, batteries, etc. Toxic waste – items that are dangerous to human health Flammable waste – items that can easily catch fire Explosive wastes – items that can react very quickly in air or water, or explode when dropped |
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What are some short-term effects of coming in contact with hazardous wastes? What are some long-term effects?
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Short-term: skin irritations, breathing problems
Long term: organ damage, cancer, death |
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How are hazardous wastes disposed of?
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In a carefully designed landfill that is designed to not leak
Buried in a thick metal box |
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How are hazardous wastes disposed of?
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In a carefully designed landfill that is designed to not leak
Buried in a thick metal box |
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What happens during a temperature inversion? Why is this dangerous?
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A band of warm air traps pollution near the ground
The pollution is closer to the ground & doesn’t get blown away by the winds in the upper atmosphere |
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How is acid rain formed
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Nitrogen oxides and water vapor mix together in the atmosphere
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Name 3 effects of acid rain
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It weakens stone buildings.
Nutrients in the soil are eroded away. Lakes & streams become more acidic. |
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How many atoms of oxygen makes up an ozone molecule?
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3
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What does diatomic mean?
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Made up of 2 atoms
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) What gases are responsible for creating the ozone hole?
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CFCs - chloroflurocarbons
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How can ozone be helpful and harmful?
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Helpful – in the upper atmosphere (ozone layer)
Harmful – at Earth’s surface (we breathe it in) |
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What are two ways we can reduce the amount of air pollution that comes from motor vehicles?
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Carpool
Combine trips Use city transportation – buses, subways, etc. Use electric cars or solar cars |
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How is water found on Earth? What percentages is it found in?
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Salt water – 97%
Fresh water (ice & lakes/ponds) – 3% Ice – 2.3% Liquid form – 0.7% |
