Unit 1: Intro to earth science
unit 2: geology
unit 3:oceanography
unit 4: meteorology
unit 5: Astronomy
100
define variance
the difference in the data
100
what is panthalassa
the superocean surrounding pangea 200 million years ago
100
how much water is on earth
72% of earths surface is covered by oceans 97% of earths water is found in the oceans
100
how much water vapor is in the earths atmosphere
0.4%
100
what is the hubble law
the universe is expanding and is moving apart
200
what is a variable when doing the experiment
things in the experiment that change
200
what is magnetic reversal
the magnetic polarities match on both sides of the mid-ocean-ridges
200
what is a bathysphere
a metal sphere which is lowered on cables
200
list the layers of the atmosphere from the earths surface
troposphere stratosphere mesosphere thermosphere
200
what are two main gasses on the sun
hydrogen and helium
300
list the scientific method in order
1.state the problem 2.gather information 3.form a hypotheses 4.test the hypotheses 5.state a conclusion
300
what is the lithosphere
the crust and upper mantle that sits on the asthenosphere
300
how much salt is in the oceans
salinity is the amount of salt in the water and the average is 35ppt(parts per thousand)
300
What are CFC's
they are man made chemicals in the earths atmosphere that destroys the ozone layer
300
what does geocentric mean
earth centered
400
what is the second layer of the earth from its surface
mantle
400
what are divergent boundaries
plates are moving away from one another
400
what is the coriolis effect
currents in the northern hemisphere deflect to the right and currents in the southern hemisphere deflect to the left
400
How are thunderstorms made
when warm humid air rises rapidly forming cumulonimbus clouds
400
list the planets in order
mercury venus earth mars Jupiter Saturn Uranus neptune
500
what is the vernal equinox
first day of spring
500
what are transform boundaries
plates move side by side past one another and can cause earthquakes
500
what are plunging breaker waves
waves that make a tunnel that is good for surfing and has a medium slope
500
how are hurricanes made
when hot moist air over the tropics mixes with the cold air and starts to spin and rotate
500
what is maria on the moon
lowlands that are dark cooled lava
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