Air Pressure and density
Atmospheric Layers
Composition of Air-Past & Present
Greenhouse Effect/Energy of Air
Cycles What gas do animals take in and plants release? A. Nitrogen B. oxygen C. Argon D. carbon dioxide
100
Air is density is lowest.. A.at sea level B. on a mountaintop C. in the ozone layer D. in the exosphere
Where does most of earth's weather occur? A. mesosphere B. exosphere C. troposphere D. thermosphere
Which chemical makes up 78% of our air today? A.Oxygen B. Nitrogen C. Carbon Dioxide D. Argon
Which gas helps to keep the atmosphere warm? A. Carbon Dioxide B. Oxygen C. Nitrogen
200
When the density of air decreases, air pressure…
In which layer do most airplanes fly? A. mesosphere B. thermosphere C. troposphere D. stratosphere
Which chemical makes up 92% of earth's early atmosphere? A.Oxygen B. Nitrogen C. Carbon Dioxide D. Argon
Carbon dioxide over the last century has been increasing/decreaing?
Which process in plants converts carbon dioxide to oxygen? A. oxygen fixtation B. photosynthesis C. OxygenCarbon cycle D. denitrifying
300
Where is the ozone layer If you were on an airplane, air located? A. stratosphere B. pressure outside is _____ than troposphere C. mesosphere compared to the inside. D. exosphere
What caused a change in the orignal atmosphere of earth almost 4.6 billion years ago?
The direct trasfer of heat from particle to particle is: How are nitrogen compounds A.conduction B. convection C. made? radiation D. transformation
400
Air pressure is defined as:
Which layer is farthest from earth?
Currently, Nitrogen and Sunburn is caused by _____ Oxygen make up ___% of the radiation. earth's atmosphere
What compounds do fossil fuels release?
500
Water vapor in air affects air pressure and air density because:
What two things occur in the ionosphere?
Name two trace elements in the present atmosphere
Soil bacteria produce nitrogen compounds from decaying Energy transfers though a fluid organisms and animal wastes. by _____ ______ bacteria break down these compounds to form nitrogen gas.
Air Pressure and density
Atmospheric Layers
Composition of Air
Greenhouse Effect/Energy in Air
Cycles
100 B
C. troposphere
B. Nitrogen
Carbon Dioxide
B. Oxygen
200 decreases
D. Stratosphere
C. Carbon Dioxide
increasing
B. Photosynthesis
300 less
A. Stratosphere
Volcanic activity
conduction
1. Nitrogen fixation on root nodules of plants 2. Converted by lightening
400
the force that air exerts in an area
Exosphere is the outermost layer of the atmosphere 1.aurora, where solar wind causes ions of the ionosphere to glow. 2. Radio waves get reflected.
99% ultraviolet
1. Carbon dioxide 2.nitric oxides
smaller water vapor particles take up less 500 space and cause a decrease air pressure and air density
Sulfur dioxide, Hydrogen sulfide, Ammonia, convection Methane,
Denitrifying