AnswersLifetime Fitness - S1Physical Activity Benefits

Physical Activity Benefits Answers

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21
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Where would the following activity BEST fit on the physical activity pyramid? Gardening

Question illustration
A
sedentary activities
B
anaerobic activities
C
aerobic activities
D
lifestyle activities
22
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Which step of scientific inquiry involves organizing and interpreting the data?

A
Experimentation
B
Analysis
C
Conclusion
D
Hypothesis
23

How much physical activity should an adult have each week?

A
60 minutes per day, 7 days a week
B
30 minutes per day, 7 days a week
C
60 minutes per day, 5 days a week
D
30 minutes per day, 5 days a week
24

Adults need at least 1 hour and 30 minutes of vigorous-intensity aerobic activity per week for important health benefits.

A
T
B
F
25

During the Second Industrial Revolution, which building material became one of the most important in the world?

A
brick
B
wood
C
stone
D
steel
26

An inference _______.

A
is a possible explanation for events using prior knowledge
B
explains if a hypothesis is or is not valid
C
is made independent of observation or prior knowledge
D
can be either qualitative or quantitative
27

How does a pedometer help people reach their fitness goals?

A
It measures calories burned throughout the day
B
It usually doubles as an MP3 player and keeps people motivated.
C
They help people reach their goals by counting the number of steps taken.
D
They measure the number of lifts done during each exercise performed.
28

Which industry benefited most from the Bessemer process?

A
petroleum
B
coal
C
steel
D
meatpacking
29

A statement that can be proven by observation or measurement is known as a(n):

A
opinion
B
value
C
fact
D
belief
30

Where would the following activity BEST fit on the physical activity pyramid? Yoga

Question illustration
A
sedentary activities
B
flexibility activities
C
aerobic activities
D
lifestyle activities
31

The expansion of the rail networks led to

A
a growth in the steel industry.
B
a growth in the textile industry.
C
a decline in the coal industry.
D
a decline in the meatpacking industry.
32

Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the following is an example of a scientific question that could be used to create an easily reproducible experiment?

A
Why do people like to watch television?
B
Does the mass of a rocket affect the distance it can travel?
C
What makes the sky blue?
D
Does sugar or salt have a greater effect on plant growth?
33

Where would the following activity BEST fit on the physical activity pyramid? Heavy weight lifting

Question illustration
A
sedentary activities
B
anaerobic activities
C
aerobic activities
D
lifestyle activities
34

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

A
T
B
F
35

Why did the development of time zones make train schedules more reliable?

A
Time zones set the entire country to the same time.
B
Time zones measured time locally instead of country-wide.
C
Time zones made sure that each state was in only one zone.
D
Time zones created a standard of time that all trains followed.
36

An independent variable is

A
directly changed by the experimenter.
B
manipulated by changes to the dependent variable.
C
a variable that is kept constant.
D
a variable that is used as a control.
37

Scientific theories are explanations for scientific phenomena that can be changed when and if new information is found to support or refute the explanation. Which of the following statements provides an example of a scientific theory?

A
An object at rest will remain at rest unless acted on by an outside force.
B
Species evolve by passing on advantageous hereditary traits.
C
For every action there is an equal and opposite reaction.
D
In a closed system, energy is neither created nor destroyed.
38

Which of the following statements about stress management is TRUE?

A
Unmanaged stress can have a negative impact on an individual's life.
B
Participating in physical activity is an ineffective way to manage stress.
C
Individuals who fail to manage stress levels are unlikely to suffer any negative consequences.
D
all of the above
39

What industry was most affected by the refrigerated railcar?

A
meatpacking
B
textile
C
farming
D
steel-making
40

A student conducts an experiment to determine how the amount of water given to a plant affects its growth. Which of the following is not a constant or control for this experiment?

A
the type of plant
B
the amount of soil
C
the amount of water
D
the amount of time in the sun

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