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100 200 100 400 300 200 100 400 300 200 100 400 300 200 400 300 4 th Grade Life Science 5 th Grade Life Science 4 th Grade Earth Science 5 th Grade Earth Science 100 200 300 400 5 th Grade Physical Science
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100 Which type of organism is always the first step in a food chain? Producer Click here for answer back
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200 Why are green plants and algae called ”producers”? back Click here for answer They make food by photosynthesis.
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300 back Click here for answer The sun What is the main source of energy entering most food webs?
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400 In which type of ecosystem are protists often the main producers? back Click here for answer Water ecosystems
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100 What organ stores urine? back Click here for answer the bladder
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200 Waste leaves the body through the- back Click here for answer colon
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300 When blood leaves the lungs, what is it carrying? back Click here for answer Oxygen
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400 When blood is pumped by the heart to the lungs, what is it carrying? back Click here for answer Carbon dioxide
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100 What happens to rocks when they are frozen and thawed again and again? back Click here for answer They break down into smaller pieces.
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200 What erodes rocks and land the most? back Click here for answer Moving water.
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300 A glacier changes landscape mostly by− back Click here for answer moving large amounts of dirt.
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400 Grooves cut into bedrock are most likely a result of - back Click here for answer a glacier.
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100 Which action would turn water vapor into a liquid? back Click here for answer cooling it
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200 How do vascular plants transport water and nutrients? back Click here for answer Through tubes called xylem
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300 What happens to liquid water if it is cooled below its freezing point? back Click here for answer It turns into a solid.
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400 In the water cycle, solar energy causes which change? back Click here for answer Condensation to precipitation
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100 What do scientists use to measure the volume of an irregular object? back Click here for answer A graduated cylinder
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200 What characteristic was used to arrange the elements in the Periodic Table of the Elements? back Click here for answer The number of protons, which is the atomic number.
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300 If an object’s density is less than one gram per milliliter, then when it is dropped in water it will - back Click here for answer float.
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400 Copper that has been hammered into a sheet is an example of what kind of change? back Click here for answer Physical change
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