AnswersSS 25-26 Environmental Science ALaboratory Tools and Safety

Laboratory Tools and Safety Answers

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1
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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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2
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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.
3

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

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4

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
volume
B
length
C
mass
D
size
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 tube
B
graduated cylinder
C
ruler
D
thermometer
8

An experiment looking at structures smaller than a cell would most likely employ a _______.

A
dissecting microscope
B
transmission electron microscope
C
scanning electron microscope
D
compound light microscope
9

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

Answer not available
10

Which of the following pieces of lab equipment is used to protect eyes?

A
lab coat
B
fire blanket
C
fire extinguisher
D
goggles

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