AnswersAZ-Earth and Space Science AOther Objects in the Solar System

Other Objects in the Solar System — Unit test Answers

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22
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Which is a factor that keeps Earth in orbit around the Sun?

A
the orbital path of the moon
B
the gravitational pull of the Sun
C
the continuous motion of the universe
D
Earth’s changing speed and direction
23

Mark has been participating in a vigorous exercise routine for the past three months. However, around the start of the third month, he noticed he stopped making gains in his strength and cardiovascular endurance. Recommend two suggestions to Mark that would allow him to continue to improve his strength.

Answer:

Mark is not experiencing any gains in his strength and endurance because he's not applying the principles of fitness to his exercise routine. First, he needs to ensure he is overloading his muscles every session since his body has adapted to his current routine. Next, Mark needs to make sure his routine is progressing in duration, intensity, frequency, and type. Lastly, he needs to make sure he sets specific goals so he has a roadmap to follow.

24

Which statement correctly describes terrestrial planets?

A
They are made of mostly rock.
B
They are made of gases.
C
They are small objects of ice and dust.
D
They are very large compared to other planets.
27

Briefly construct a 3-week workout routine that incorporates the fitness principle of overload.

Answer:

Using the overload principle, you should plan on increasing a workout routine every day. The first routine will increase running pace over time. The second routine will increase the distance run every day.Week 1: run 1 mile with a pace of 10 minutes/milesWeek 2: run 1.2 miles with a pace of 10 minutes/mileWeek 3: run 1.5 miles with a pace of 9.5 minutes/mileorWeek 1: lift 50lbs for 15 repsWeek 2: lift 55lbs for 15 repsWeek 3: lift 60 lbs for 18 reps

30

Which is a type of star system?

A
dim stars
B
solar system planets
C
wobbling stars
D
globular clusters
31

Compare and contrast the differences in a person's cardiovascular fitness between an exercise program that utilizes the progression principle and one that does not.

Answer:

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. The changes need to happen gradually in order to ensure they make gains in their fitness program. A person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

32

Why did scientists struggle for thousands of years to accurately describe the solar system?

A
Venus has phases like the moon.
B
Many people spoke Italian and did not understand Latin.
C
The planets appeared to move backward in the sky occasionally.
D
Scientists could not explain why the Sun appeared to rise and set every day.
33

Explain how each of the three principles of cardiovascular fitness can lead to injury if they are not adhered to properly.

Answer:

Overload can lead to injury if a person ignores his or her body's warning signs and continues applying stress to overworked muscles. Progression can easily lead to injury if an exercise program scales too quickly in difficulty. Specificity can contribute to injury if a person doesn't adhere to reasonable and attainable goals and attempts to do too much, too soon.

34

What is the Milky Way?

a
a spiral galaxy in which Earth is located
a
an elliptical galaxy in which Earth is located
a
an irregular galaxy in which Earth is located
t
the closest galaxy to the one in which Earth is located
35

In which direction does Earth rotate?

A
eastward around its axis
B
in an ellipse around the Sun
C
counterclockwise around the Sun
D
from north to south around its axis

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