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Science Chapter 8

Using Resources

QuestionAnswer
Sending aluminum cans to plants to be made into something else is an example of what? recycling
Anything necessary or useful that is found in nature. natural resources
Coal, gas and crude oil that are formed from the remains of once-living things. 3 examples of fossil fuels
Layers that make up a mature soil. soil profile
Where is humus commonly found? topsoil
Which layer of soil has little or no organic matter? subsoil
What type of soil is located where it is formed? residual soil
What can be used only once because it can't be replaced? non-renewable resources
What is soil that is moved from where it was formed by wind or water? transported soil
What can be used repeatedly, because it can be easily replaced? renewable resource
Using resources wisely or efficiently is an example of what? conservation
What is commonly found in soil? Humus, water, and minerals
What is an example of 'capturing' a renewable energy source? Installing wind turbines
How can solar energy be used to reduce fossil fuel use? (3 ways) It can be used to heat homes, make electricity, and power road signs and calculators.
What is a method and purpose of plowing that follows the shape of the land? Contour farming - it helps reduce soil erosion.
Using china plates instead of paper plates is an example of what? reducing
Soil, minerals, air, water and coal are all examples of what? natural resources
Why is trash in landfills covered with clay or plastic? To keep leachates from polluting the ground and water supply
What is decayed organic matter in soil? humus
The remains of plants and animals that undergo heat and pressure over time turn into this. fossil fuels
Wind, moving water and sunlight are all what type of energy sources? alternative
The use of these causes pollution, smog, acid rain and global warming. fossil fuels
Turning down the thermostat is an example of what? reducing
Created by: nvanest
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