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U1 Life in Our Solar System Flashcards | StudBud
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U1 Life in Our Solar System
U1 Life in Our Solar System
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Atmospheric Layers and accommodations required for space travel
Flashcards
17 cards
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Practice quiz
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Questions
17
Answers
1
In which layer do auroras occur?
mesosphere
thermosphere
stratosphere
troposphere
2
What characteristic determines the boundary between the atmospheric layers of Earth?
Pressure
Temperature
Water vapor
Altitude
3
Which layer is the densest?
Thermosphere
Troposphere
Stratosphere
Mesosphere
4
Which of these is NOT a reason we must have a space suit or a vessel to travel in space?
Presence of Water Vapor
Extreme Temperatures
Pressure Differences
Lack of Oxygen and Gravity
5
Which layer has the jet stream?
Mesosphere
Troposphere
Stratosphere
Thermosphere
6
What kind of force is required to launch a vessel into space?
A force less than gravity acting upon the vessel
A force 2X greater than gravity acting upon the vessel
A force equal to the gravity acting upon the vessel
A force greater than the gravity acting upon the vessel
7
Which layer is the coldest?
Mesosphere
Thermosphere
Troposphere
Stratosphere
8
Which of these attributes helps make life possible on the planet Earth?
The amount of salt water on the planet
The depth of each atmospheric layer
The diatoms that live in the oceans
The distance of the planet from the sun
9
Approximately what percentage of the atmosphere is made of oxygen?
21%
1%
Less than 1%
78%
10
Which layer protects us from the UV rays of the sun?
Troposhere
Mesosphere
Atmosphere
Stratosphere
11
Which layer do satellites orbit in?
Exosphere
Hemisphere
Mesosphere
Thermosphere
12
Where does the energy come from to drive the water cycle on Earth?
The troposphere
The moon
The sun
The mesosphere
13
What causes the "bad ozone" layer of pollution in the troposphere?
Burning fossil fuels
Holes in the Ozone Layer
Acid Rain and the water cycle
The UV rays of the sun
14
In which layer does weather occur?
Troposphere
Thermosphere
Hemisphere
Stratosphere
15
In which layer can humans breath without any mechanical assistance?
Troposphere
Stratosphere
All of them
Both Troposphere and Stratosphere
16
Which atmospheric layer is the hottest?
Troposphere
Thermosphere
Stratosphere
Mesosphere
17
What holds our atmosphere to our planet?
The Force of Gravity
The Pull of the Moon
The Ozone Layer
Atmospheric Pressure
