AnswersRS AZ-US History ADred Scott and the Slavery Debate

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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?
42
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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
43

How can participation in physical activity lead to improved sleep patterns?

Answer not available
44

You have to see a task be done by someone else before you like to try it. You might be a

A
Auditory learner
B
Spatial learner
C
Kinesthetic learner
D
Visual learner
45

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.
46

How can regular participation in physical activity improve an individual's overall health?

A
Regular participation in physical activity reduces the risk of developing various diseases.
B
Regular participation in physical activity allows an individual to function on less sleep.
C
Regular participation in physical activity reduces the need for a balanced diet.
D
Regular participation in physical activity prevents an individual from developing certain diseases.
47

Which of the following is NOT positively influenced by physical activity?

A
cardiovascular disease
B
obesity
C
osteoporosis
D
allergies
48

Explain how knowing your learning style can help to improve your academic success.

Answer not available
49

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.
50

Using a pedometer can promote a physically active lifestyle.

A
T
B
F
51

Summarize how the components of health are related to wellness.

Answer not available
52

Your friend is a very good football player, but if he doesn't bring his grades up, he may be kicked off the team. What type of study strategy would you suggest he try?

A
Cram for the test the night before, right before going to bed
B
Read the text again and try to remember as much as he can
C
Tap out information to a rhythm to help him remember it
D
Watch a movie on the subject he is studying
53

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
54

How can hypertension be prevented?

A
balanced diet
B
regular exercise
C
healthy weight
D
all of the above
55

Discuss the role of behavior in physical fitness levels.

Answer not available
56

Scientific experiments are specially designed to test explanations for an observed phenomenon. A student decides to conduct an experiment to determine the effect that the amount of time spent in the sunlight has on the overall growth of a plant. The student will conduct the experiment using two identical plants that will only spend different amounts of time in the sunlight. All other aspects needed for growth will remain identical for each. In the experiment described, what would the amount of water given to each plant be considered?

A
an observation
B
a dependent variable
C
an independent variable
D
a control or constant
57

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.
58

Where on the physical activity pyramid do sedentary activities belong?

Question illustration
A
A
B
B
C
C
D
D

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