Unit 1: Intro to Earth Science
Unit 2: Geology
Unit 3: Oceanography
Unit 4: Meteorology
Unit 5: Astronomy
100
What are the steps of the scientific method? In order.
1. State the Problem 2. Gather Info 3. Form a hypothesis 4. Test the hypothesis 5. State a conclusion
100
What are Magnetic Reversals?
The magnetic polarities match on both side of the mid-ocean ridges.
100
Bathysphere?
Metal sphere which is lowered on cables to the deep ocean floor.
100
Gases in the Atmosphere?
Nitrogen - 78%, plants use for nutrients Oxygen - 21%, Breathing Water Vapor - 0.4% - Primary greenhouse gas, life needed Carbon Dioxide - .038% - Used by plants - Man-made Ozone - .000006% - Protects us from Sun's harmful UV rays
100
What is the structure of our sun?
Hydrogen and Helium - Sun produces energy by fusion, two hydrogen atoms combine to make helium and release tremendous amounts of energy.
200
What is a median?
Value of the data that separates high and low values.
200
What is an epicenter?
The point on the surface of the Earth directly above the focus of the earthquake.
200
Bathyscaphe?
Mini-submarine which sinks to the ocean floor and has mobility.
200
Troposphere?
Surface layer of atmosphere, very warm, contains life on earth.
200
Differences of inner and outer planets?
Inner - Smaller in size, solid, and hotter. Outer - Larger in size, gas planets, and colder.
300
What is a variable?
Things in the experiment that change.
300
What is the Richter Magnitude Scale?
Scale measures the strength of seismic waves based on wave amplitude. Scale goes from 1-10.
300
Continental Slope?
The end of the continental crust, where a steep drop-off occurs.
300
Mesosphere?
Burns up Meteoroids. 3rd layer
300
What is Maria on the moon?
Lowlands, darker cooled lava.
400
What is an invariable?
Things in the experiment that do not change.
400
What is the Modified Mercalli Scale?
Scale measures the intensity of the earthquake based on the type of damage that occurs. Scale goes from I - XII.
400
What about Salinity?
amount of salt is dissolved in water, listed in ppt(parts per thousand) Average is 35ppt.
400
What is Albedo?
The measurement of how much light is reflected from any surface. Earth - 0.3 or 30%, Soil - 0.05 or 5%, Snow - 0.9 or 90%.
400
What's special about Uranus?
Uranus is the coldest planet, and is a blue planet due to methane gas.
500
What is a Longitude line?
Lines that run vertically, measure east and west.
500
What is Pahoehoe?
Mafic lava that cools slowly and has a ropy texture.
500
What is the path of the global conveyor belt?
The 1000 year process starts at the North Pole moves to the Equator, to the South Pole and repeats.
500
What is an Occluded Front?
When two cold air masses moving into a hot air mass - Produces strong winds, rain and storms, sometimes tornadoes.
500
What's special about Neptune?
Horizontal Rotation.
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