Earth Science A - Earth's Systems Exam Questions with Correct Answers
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Earth\\\'s Systems
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Earth\\\'s Systems
Connie needs to choose a current event to write about for the school newspaper. Her teacher would also like the article to include a visual aid, modeling a system or cycle. Of these options, which would best satisfy the assignment requirements? - Answer-a.
Connie chooses influenza as her current e...
connie needs to choose a current event to write ab
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Earth Science A - Earth's Systems Exam
Questions with Correct Answers
Connie needs to choose a current event to write about for the school newspaper. Her
teacher would also like the article to include a visual aid, modeling a system or cycle. Of
these options, which would best satisfy the assignment requirements? - Answer-a.
Connie chooses influenza as her current event, since the article is being written during
flu season. For her visual aid, she models the life cycle of the flu virus
Amanda is doing a report for her Earth Science class about the four seasons. Which of
the following would be an effective scientific model to incorporate in her project? -
Answer-b.
Four earth models, each with a different tilt to represent the earth's position relative to
the sun, lined up in order of season
A scientific model is easier to interpret and understand when it includes the main parts
or processes, rather than every detail of every part or process. - Answer-True
When modeling a scientific process, it is more important to organize the parts in a way
that makes sense to you than to list them sequentially. - Answer-False
Coach Taylor is trying to explain the negative side effects smoking has to athletic
performance. Which of these options include both a scientific model and a connection to
Coach Taylor's topic of athletic performance? - Answer-c.
Diagram the flow of oxygen-rich blood through the body of a non-smoker. Then diagram
the flow of blood with less oxygen (from airway resistance) through the body of a
smoker
geosphere - Answer-all land on the planet above and below water; the Earth's core,
mantle, and crust
biosphere - Answer-all life on the planet including plants, humans, animals, insects, and
microbes
Earth system - Answer-all planetary matter and the processes that move that matter
and energy around the planet
What system includes oxygen, nitrogen, and ozone? - Answer-c.
atmosphere
The Gaia hypothesis is an example of _______. - Answer-b.
negative feedback
Which of the following about the biosphere is true? - Answer-c.
, It can be considered a global ecosystem.
Which of the following statements about positive feedback mechanisms is not true? -
Answer-d.
Positive feedback mechanisms reduce change in a system.
What system includes the living components of the Earth? - Answer-d.
biosphere
Which of the following is a function of the atmosphere? - Answer-b.
providing a moderate, livable climate
Human impact on one system leads to changes in more of Earth's systems. - Answer-
True
Glacial episodes are an example of _______. - Answer-a.
positive feedback
The atmosphere is unaffected by changes in the geosphere. - Answer-False
What system includes the core, mantle, and crust of the Earth? - Answer-a.
geosphere
The hydrosphere does not overlap with any other spheres. - Answer-False
What is the most likely effect a decrease of plant life in the biosphere would have on the
atmosphere? - Answer-b.
A decrease in plant life would cause carbon dioxide levels to increase and oxygen
levels to decrease.
Which of the following best explains why the biosphere is a key component of the
Earth's systems? - Answer-d. NOT ///
The biosphere is a key component of the Earth's systems because it has evolved to
create the chemical composition of the planet we know today.
NOT ///
Which of the following is a function of the geosphere? - Answer-d.
serving as the interface between the other spheres
What is the main difference between negative and positive feedback? - Answer-a.
Positive feedback leads to system instability, while negative feedback leads to system
stability.
biogeochemical cycle - Answer-natural method used by the Earth to cycle elements
between the living and nonliving parts of the Earth system
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