AnswersSS 25-26 Environmental Science ALaboratory Tools and Safety

Laboratory Tools and Safety Answers

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What feature is common to all microscopes, and how is this feature related in the word "microscope"?

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Which of the following is the best explanation for why it is important to follow lab safety guidelines?a.Following laboratory safety guidelines prevents all lab accidents.b.Following laboratory safety guidelines minimizes the chance of lab accidents.c.Following laboratory safety guidelines prevents fires.d.Following laboratory safety guidelines allows quick response during lab accidents.

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What are the two pieces of safety equipment used to respond to fires in the lab?

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Why is it important for a researcher to know all safety procedures and where all safety equipment is stored even if they never have an accident?

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5

A balance is best used to measure a sample’s _______.a.volumeb.lengthc.massd.size

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6

Describe how the meniscus is used to read volume measurements on a graduated cylinder.

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7

Which of the following pieces of laboratory equipment is not directly used to make measurements?a.test tubeb.graduated cylinderc.rulerd.thermometer

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8

An experiment looking at structures smaller than a cell would most likely employ a _______.a.dissecting microscopeb.transmission electron microscopec.scanning electron microscoped.compound light microscope

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9

Explain why the several different types of microscopes are all necessary.

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10

Which of the following pieces of lab equipment is used to protect eyes?a.lab coatb.fire blanketc.fire extinguisherd.goggles

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