AnswersSS 25-26 Environmental Science ALaboratory Tools and Safety

Laboratory Tools and Safety Answers

15 verified answers4 views
3

Which of the following is not used to hold liquids?

A
flask
B
graduated cylinder
C
balance
D
test tube
6

Samples for a compound light microscope are typically prepared on _______.

A
glass slides
B
coverslips
C
a portion
D
dissecting trays
7

A transmission electron microscope would be the best microscope choice to study _______.

A
structures smaller than cells
B
single celled organisms
C
plant leaves
D
amphibian organs
8

Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinations of equipment would be needed to bring one liter of water to 85°C?

A
graduated cylinder, balance, beaker and hot plate
B
graduated cylinder, beaker, thermometer and hot plate
C
test tube, thermometer, and Bunsen burner
D
test tube, electronic balance and hot plate
9

Following proper safety guidelines _______.

A
minimizes the chance of accidents occurring in lab
B
involves using a fire extinguisher
C
prevents accidents from occurring in lab
D
requires using a safety shower
10

Which of the following microscopes provide 3D images of samples?

A
dissecting microscope and compound light microscope
B
dissecting microscope and scanning electron microscope
C
scanning electron microscope and compound light microscope
D
compound light microscope and transmission electron microscope
14

There is more than one kind of balance used in the laboratory.

A
T
B
F
15

Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinations of equipment would be needed to bring one liter of water to 85°C?

A
graduated cylinder, balance, beaker and hot plate
B
graduated cylinder, beaker, thermometer and hot plate
C
test tube, thermometer, and Bunsen burner
D
test tube, electronic balance and hot plate
16

Fume hoods are used to _______.

A
prevent fires from spreading in the lab
B
put out fires
C
prevent toxic gases from spreading through the lab
D
clean chemicals off the body
17

Safety equipment like fire extinguishers and fire blankets are used to prevent accidents.

A
T
B
F
18

Various pieces of safety equipment are used in the lab to provide protection against injury. Which of the following pieces of lab safety equipment is least likely to be used if proper eye goggles are being worn?

A
first aid kit
B
safety shower
C
eye wash station
D
fire extinguisher
19

Following proper safety guidelines _______.

A
minimizes the chance of accidents occurring in lab
B
involves using a fire extinguisher
C
prevents accidents from occurring in lab
D
requires using a safety shower

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