Soil, Energy and Human Impact Review
Quiz by Bryn Neal
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30 questions
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- Q1The top layer of a soil profile is composed mainly ofbedrockclaylots of different mineralsdecaying organic material30s
- Q2Decayed organic material that gives soil its dark brown color isbedrockhumussiltclay30s
- Q3If you were to observe a handful of soil, what would you most likely see?minerals and lots of fossilsweathered rock and decomposed organic remainslots of plants and igneous rocksbig rocks and small pieces of plastic30s
- Q4The humus, or the organic matter in soil, is made fromplasticrocks and mineralsdecaying plants and animalsacid rain30s
- Q5The bottom layer of a soil profile is thetopsoilhumusbedrocksubsoil30s
- Q6After a plant or animal die what happens to it?It turns into rockIt breaks down or decays and becomes part of the soilIt becomes airIt becomes oil within one week30s
- Q7What is the part of the soil that has the best nutrients and therefore is the best to grow crops?soil with no decaying mattersoil with lots of decaying matterclaysoil with lots of rocks30s
- Q8You dug a hole in the ground. What is the correct order of the soil profile from the ground down into the hole?subsoil, bedrock, topsoil, humushumus, subsoil, bedrock, topsoilhumus, topsoil, subsoil, bedrockbedrock, subsoil, humus, topsoil30s
- Q9A renewable resource is one thatcan be replaced in a timely manneryou can not recycleyou can recyclecan never be replaced30s
- Q10A non-renewable resource is one thatcan not be recycledcan not be replaced in as quickly as it is usedgrows quicklycan be recycled30s
- Q11An example of a non-renewable resource ispaperoilfishwooden table30s
- Q12Why is wind power not used in big cities?The energy source is inconsistentCan not use the energy.Gas is too expensiveWaste product is very unsafe30s
- Q13What is a downside to using hydroelectric power?loss of the river and damage to the ecosystemkilling fishno new frogs or fish in the waterlots of flooding downstream30s
- Q14We use fossil fuels as a major source of energy. Why should we find alternative energy sources?Fossil fuels will be around forever.Wind energy is too cold to use.Fossil fuels will run out at some point.Solar energy is too hot to use.30s
- Q15The Sun provides the energy through light for plants to grow. These plants, long ago, became the fossil fuels that we use today. Does this make the Sun responsible for making the cars we drive today go?Yes - our cars use gasoline which is a fossil fuel.Yes - it is the radiation from the sun that powers our cars.No - it is the gravitational pull of the Sun that moves cars.No - the energy that powers the cars is the heat from the sun.30s