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WorksheetsEarth Science The Atmosphere
Total questions: 21
Worksheet time: 14mins
This gas makes up 78% of the atmosphere
oxygen
nitrogen
ozone
carbon dioxide
Over Geologic Time, Earth's atmospheric oxygen levels have:
Increased
Decreased
Fluctuated
Stayed at a constant %
Earth's atmosphere accumulated oxygen primarily due to:
Land plant respiration
Microscopic organisms' respiration
Mamma (human) respiration
Volcanism
Warming effect on the air caused by heat rising from the surface of the Earth and being trapped by gases in the troposphere.
Greenhouse Effect
Troposphere
Atmosphere
Greenhouse Gases
Average weather of a particular area over a long period of time.
Climate Change
Ozone
Weather
Climate
Layer of Earth's atmosphere where most of the water vapor and carbon dioxide is found
thermosphere
mesosphere
stratosphere
troposphere
Layer of Earth's atmosphere that 'warms' due to ultraviolet (UV) energy absorbed and re-emitted as heat energy.
thermosphere
mesosphere
stratosphere
troposphere
The sun's rays are least direct
near the poles
near the equator
at high altitudes
far from the ocean
Which best describes what happens to air pressure as altitude increases in the atmosphere?
Air pressure decreases as one move upward in the atmosphere.
Air pressure increases as one move upward in the atmosphere.
Air pressure changes in some unknown way
Air pressure stays the same
A form of oxygen that has three oxygen atoms in each molecule instead of two and protects us from dangerous ultraviolet radiation from the sun
Climate
Ozone Holes
Weather
Ozone
Is the concept of "anthropogenic warming" a clear case that humans are affecting planetary warming?
Yes, everybody agrees
Not exactly, data shows an alarming trend but it is still not completely understood
No, the Earth is not warming
Not exactly, one hemisphere is warming and the other is cooling
