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JLC SCI Ch 5 Review

JLC SCI 6th Grade Chapter 5 Review

QuestionAnswer
A material tat occurs in nature and is useful or essential to people natural resource
The careful use of resources so that they will last as long as possible. conservation
To process used products into new products. recycle
To use products again after their original use reuse
Gradual long-term change of species in an ecosystem succession
The loss of an entire species extinction
A group of organisms with so few individuals that it could die out endangered species
An area of land that is covered by water all or much of the time wetland
Name the kind of organism that uses carbon dioxide from the air for photosynthesis plants
Name a renewable resource people, trees
What do plants do in the carbon cycle? Plants use carbon dioxide and give off oxygen
Name the energy source of the water cycle. the sun
Name the important role of nitrogen in the nitrogen cycle. it is used to make proteins
Name the advantages of recycling aluminum cans. less pollution, saves resources, reduces litter
Identify the chemical element that is part of all living organisms. carbon
Coal burning power plants give off this harmful gas. sulfur dioxide
What do you think will happens to an animal specie if their food source disappears? They would die off too.
What is nitrogen "fixation"? Changing of nitrogen into a form that plants can use. Nitrogen can be “fixed” by bacteria in plants and soil or as the result of lightning strikes
How can recycling plastics that are made of petroleum help conserve energy? Plastic is made from oil, an non-renewable resource, recycling will reduce the amount of oil being used to make new plastic
Created by: jkm1123
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