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CAES Unit 8

Human Impact on the Environment

QuestionAnswer
If I'm using a graduated cylinder, what units am I most likely measuring with? milliliters
Nails are attracted to a magnet. What process is happening? magnetism
What type of observation involves numbers, measurements, and statistics? quantitative observation
What percentage of the Earth's water is salt water? 97%
What energy source uses water to generate power? hydroelectric
3 examples of water pollution soil erosion, fertilizer, animal waste
Which instrument measures air pressure? barometer
In which layer of the atmosphere is majority of water vapor and life found? troposphere
What 5 elements or compounds that make up air? nitrogen, oxygen, argon, carbon dioxide, water
Which layers of the atmosphere would you find an airplane? troposphere and stratosphere
What gas found in pollution is the major cause for global warming? carbon dioxide
True or False. Acid rain causes toxic fumes to be released into the atmosphere. False
True or False. Acid rain reacts with stone buildings causing chemical weathering. True
True or False. Acid rain causes automobiles to rust. True
True or False. Acid rain kills animals. True
What form of energy is the main source of the energy in a resource? solar energy
What type of energy do fossil fuels have? chemical energy
What is the last step of the scientific method? state a conclusion
Created by: caes6science
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