AnswersSS 25-26 Environmental Science ALaboratory Tools and Safety

Laboratory Tools and Safety Answers

10 verified answers2 views
1
Free Preview

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
2
Free Preview

Scientists use different types of microscopes to observe objects that are not visible to the naked eye. A scientist is reviewing various samples of pond water to determine what species of microorganisms live in the pond. The scientist wishes to make drawings of the structure of each microorganism and study each one's method of movement. Which of the following microscopes would be best for the scientist to use?

A
transmission electron microscope
B
scanning electron microscope
C
compound light microscope
D
dissecting microscope
3

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
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
11

Socks are an important component of your exercise clothing because they __________.

A
provide a good way to express your individuality
B
increase the amount of calories you use while exercising
C
eliminate the need to wear high-quality shoes
D
keep your feet dry while exercising
12

Which of the following statements about physical fitness is TRUE?

A
Physical fitness is a continuous, changing state.
B
Physical fitness is influenced by many factors.
C
Physical fitness is individualized to each person.
D
all of the above
13

Exercise provides a healthy outlet for feelings, which helps improve __________.

A
emotional health
B
mental health
C
spiritual health
D
environmental health
14

Lifestyle choices are usually an important factor in the development of heart disease.

A
T
B
F
15

Which of these medical exams most thoroughly evaluates a person's ability to participate in exercise?

A
PAR-Q
B
exercise stress test
C
medical evaluation
D
medical screening
16

All factors that influence our physical fitness can be controlled.

A
T
B
F
17

Which of the following is NOT a symptom associated with hypertension?

A
nosebleeds
B
regular heartbeat
C
chest pain
D
vision problems
18

Your living environment, whether urban or rural, can affect your level of physical fitness.

A
T
B
F
19

Rubber suits are instrumental for increasing weight loss during an exercise program.

A
T
B
F
20

The FITT principles of training include __________.

A
fundamental, intensity, time, and type
B
frequency, intensity, time, and type
C
frequency, individual, time, and type
D
frequency, intensity, tough, and time

Did you find these answers helpful?