AnswersSS 25-26 Environmental Science ALaboratory Tools and Safety

Laboratory Tools and Safety Answers

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21
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Which of the following statements is NOT true about using protective equipment?

A
There is no correct way to use protective equipment.
B
Helmets are designed differently for various sports.
C
Mouth guards protect teeth from impacts.
D
Following the rules of an activity is equally important.
22
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Exercise equipment compensates for acting irresponsibly and disregarding the rules of a physical activity.

A
T
B
F
23

Which of the following statements BEST explains why the same exercise program might conform to the principle of overload for one person but not for another?

A
Different individuals have different levels of physical fitness.
B
Physical activity only leads to increased health benefits when it is above normal levels.
C
Bodies adapt to increased physical demands placed upon them.
D
The same exercise programs always conform to the principle of overload.
24

Choosing to walk or ride your bike to work can positively affect your physical fitness.

A
T
B
F
25

Regular exercise often leads to an improved quality of life. Please select the best answer from the choices provided.

A
T
B
F
26

If an experiment involves a large volume of liquid a _______ would most likely be used to hold it.

A
test tube
B
graduated cylinder
C
hot plate
D
beaker
27

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
28

Regular physical activity can help prevent disease by __________.

A
controlling weight
B
controlling blood pressure
C
improving cardiorespiratory fitness
D
all of the above
29

Which of the following can be described as a sedentary activity?

A
sitting and watching the television
B
outdoor calisthenics
C
sprinting on a track
D
running on a trail
30

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

A
T
B
F
31

Which of the following is NOT a benefit of cool down activities?

A
reduced muscle soreness
B
maximal lightheadedness
C
injury prevention
D
gradually reduced heart rate
32

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

A
glass slides
B
coverslips
C
a portion
D
dissecting trays
33

Which of the following is not used to hold liquids?

A
flask
B
graduated cylinder
C
balance
D
test tube
34

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
35

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
36

Which of these concepts represents the most encompassing aspect of our lives?

A
physical health
B
physical fitness
C
wellness
D
emotional health
37

During a medical screening, lung capacity testing is a standard procedure.

A
T
B
F
38

Electron microscopes have much higher magnification than compound light microscopes.

A
T
B
F
39

Those with a high fitness rating are more likely to __________.

A
have difficulty coping with life
B
suffer a heart attack because of increased stress on their heart
C
be an athlete or work in a fitness-related field
D
have limited social skills
40

As you grow older, you will need to remain physically active to keep a good level of physical fitness.

A
T
B
F

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