June
Picnics
July
Fishing
August
100
The outermost layer of the sun's atmosphere is the
What is corona
100
The most valuable resource taken from the ocean is
What is petroleum from beneath the ocean floor
100
Loop-like arched shapes of gases on the sun's surface are solar
What is prominences
100
The deepest feature on the earth's surface is called a(n)
What is deep ocean trench
100
The coldest layer of the atmosphere is
What is the mesosphere
200
The sunspot cycle lasts an average of
What is 11 years
200
The deepest of the earth's principle oceans is the
What is Pacific
200
The sun is composed of the gases hydrogen and
What is helium
200
The ____ is made up of inorganic sediment, chemical deposits, and organic sediment
What is Ocean basin sediment
200
The atmospheric layer closest to the earth's surface is
What is the troposphere
300
The planets are kept in orbit by the sun's
What is gravity
300
Approximately what percentage of the earth's surface is covered by oceans
What is 70%
300
The estimated age of the sun is
What is 4.5 billion years
300
Tides are primarily due to
What is gravitational attraction
300
In which layer of the earth's atmosphere is most ozone found
What is stratosphere
400
One astronomical unit (amu) is equal to the distance between the earth and
What is the sun
400
The shallowest portion of the continental margin is the
What is continental shelf
400
The darkest part of the shadow cast during an eclipse is the
What is umbra
400
One of the three major gases dissolved in ocean water, it also makes up a large percentage of the earth's atmosphere.
What is nitrogen
400
Gas most responsible for the greenhouse effect.
What is Carbon dioxide
500
The sun produces its high surface temperature through this type of energy.
What is nuclear fusion
500
The boundary between continental crust and oceanic crust occurs at the base of the
What is continental slope
500
In what order of alignment are the earth, moon, and sun during a solar eclipse
What is sun, moon, and earth
500
The name given to the ocean bottom or floor
What is benthic
500
What type of radiation is trapped on the earth's surface by the greenhouse effect
What is infrared rays
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