Spheres
What are the 4 spheres of Earth?
Atmosphere, Biosphere, Geosphere & Hydrosphere
Which layer does UV radiation hit?
Stratosphere
What is the definition of wind?
The movement of air in the sky
When do solstices occur?
June & December
What is the 2nd most abundant greenhouse gas?
Carbon dioxide
What percentage of Earth's water if freshwater?
3%
Where do meteors burn up?
Mesosphere
How is climate different from weather?
Climate is the average weather over a long period of time. Weather is the "right now"
Do the poles or equator receive less energy from the sun? Why?
Earth’s tilt means that the Poles receive less energy than the Equator
Name the 6 greenhouse gases
Methane, ozone, carbon dioxide, nitrous oxide, water vapor, chlorofluorocarbons
What does the biosphere include? (5 categories)
Animals, plants, fungi, bacteria, and single-celled organisms
What layer contains the boundary layer?
Troposphere
What tool measures climate?
Climate graph
What happens during an equinox?
Earth’s axis does not tilt toward or away from the sun so there is 12 hours of daylight and 12 hours of nighttime
Which greenhouse gas is synthetic?
Chlorofluorocarbons (CFC)
What is the definition of the atmosphere?
The gaseous layer that may contain suspended solids starting at Earth's surface and extending thousands of miles up
What 2 things are found in the thermosphere?
International space station & aurora borealis
What are the definitions of direct light and diffused light?
Direct light - travels on an uninterrupted path
Diffused light - passes through obstacles like clouds
As Earth revolves around the sun, what is it's axis pointed at?
The North Star
How does water vapor impact other greenhouse gases?
It amplifies the warming effects of other greenhouse gases
What is the chemical composition of the atmosphere? (Chemicals & Percentage)
Nitrogen 78%
Oxygen 21%
Argon 0.9%
Other 0.1%
Name the layers of the atmosphere in order (Closest to Earth ->Space)
Troposphere, stratosphere, mesosphere, thermosphere, exosphere
What drives Earth's climate system?
Energy received from the sun
What degree is Earth's axis tilted?
23.5 degrees
How are methane and carbon dioxide connected?
Trees cut down for livestock farms increase CO2 levels due to loss of plants and increases animals that produce methane.