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
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
question
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
question
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
Four earth models, each with a different tilt to represent the earth's position relative to the sun, lined up in order of season
question
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
question
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
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.
question
How are the carbon, nitrogen, and oxygen cycles similar?
answer
all of the above
question
What is the main advantage to using satellites to measure climate change?
answer
They can measure aspects of climate globally.
question
Which of the following statements about positive feedback mechanisms is not true?
answer
Positive feedback mechanisms reduce change in a system
question
The biosphere is the only one of Earth's systems that contains life.
answer
true
question
Which of the following about the biosphere is true?
answer
It can be considered a global ecosystem.
question
The Gaia hypothesis is an example of _______.
answer
Negative feedback
question
What is the purpose of a rain gauge?
answer
to measure the amount of rainfall
question
What is the purpose of the radiosonde?
answer
The purpose of the radiosonde is to measure various atmospheric parameters such as humidity, temperatures and the pressures of the upper atmosphere.
question
Explain how the biosphere facilitates movement of water from the geosphere to the atmosphere.
answer
Plants absorb water from the soil, the sediment of the geosphere,, and then through a process called transpiration, the water is secreted from their stomata and is evaporated into the atmosphere.
question
What system includes oxygen, nitrogen, and ozone?
answer
Atmosphere
question
Compare the use of coal to the use of petroleum from 1800 to 2004.
answer
Coal use had a steady increase from 1800 to 2004 and for coal being responsible for global carboning missions during that time span. The use of petroleum took over from the use of coal around 1970 as releasing the most carboning missions globally. From 1950 to 2004, there was a sharp increase of petroleum use.
question
Which of the following does not have an impact on Earth's climate?
answer
none of the above
question
Explain why a variety of instruments are needed to measure change in the climate system.
answer
A variety of instruments are needed to measure change in the climate system because the climate system involves the interactions between the atmosphere, biosphere, geosphere, hydrosphere and more. There is a variety of factors that influence the climate and weather.
question
Explain why humans cannot impact one of Earth's systems without impacting the others.
answer
All of the systems have an influence on each other. theya ll interact in one way or another. For example, the plants (biosphere) absorbs water (hydrosphere) through the soil (geosphere) and then through transpiration water is secreted from them and evaporated (atmosphere). If plants (biosphere) were removed, there would be less interactions between the systems.
question
Which of the following statements about the interaction of Earth's systems is true?
answer
All of the Earth's systems interact with each other.
question
Which of the following cycles does not involve living organisms?
answer
rock cycle
question
What device can be used to make measurements globally?
answer
satellite
question
Which system serves as the interface between the other spheres?
answer
geosphere
question
What system includes oceans, lakes, rivers, and groundwater?
answer
hydrosphere
question
Which system protects us from radiation and the vacuum of space?
answer
atmosphere
question
How do landfills contribute to global warming?
answer
They produce methane, a greenhouse gas
question
What system includes the core, mantle, and crust of the Earth?
answer
geosphere
question
Which of the following is a function of the geosphere?
answer
serving as the interface between the other spheres
question
The rock cycle is not important to living organisms
answer
false
question
There is only one possible path for each stage in the rock cycle.
answer
false
question
Which is not an example of an earth system cycle?
answer
Tsunamis
question
What is the most likely effect a decrease of plant life in the biosphere would have on the atmosphere?
answer
A decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease.
question
Why are a variety of instruments needed to measure change in the climate system?
answer
The climate system involves a number of different factors that are measured differently.
question
ositive feedback interactions in Earth's systems are always a result of human action.
answer
false
question
What system facilitates the movement of water between spheres through the process of transpiration?
answer
biosphere
question
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
question
There is a single instrument to measure climate change.
answer
false
question
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
Four earth models, each with a different tilt to represent the earth's position relative to the sun, lined up in order of season
question
Earth is a system comprised of interacting processes.
answer
true
question
Which of the following best explains why the biosphere is a key component of the Earth's systems?
answer
The biosphere is a key component of the Earth's systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
question
What is the main difference between negative and positive feedback?
answer
Positive feedback leads to system instability, while negative feedback leads to system stability.
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