Oceans
Astronomy
Volcanoes
Atmosphere
Energy
100
Description of how salty ocean water is
What is salinity?
100
An ancient culture that invented algebra and the astrolabe
Who were the Arabs?
100
Molten rock
What is magma?
100
As altitude increases, pressure decreases and air density becomes _____________.
What is less dense?
100
The cleanest-burning fossil fuel
What is natural gas?
200
Part of the ocean where the temperature drops rapidly
What is thermocline?
200
A piece of astronomical equipment that can catch and interpret low energy, long wavelength energy from the deepest parts of space
What is a radio telescope?
200
Two gases that are major ejecta of volcanoes
What are carbon dioxide and sulfur dioxide?
200
Earth's "sunscreen"
What is ozone?
200
A device that transforms radiant energy into electrical energy
What is a photovoltaic cell?
300
A current caused primarily by wind
What is a surface current?
300
Cosmological theory that estimates the age of the universe to be around 4.7 billion years old
What is the Big Bang Theory?
300
Type of volcano that Mt. Fuji in Japan is
What is a stratovolcano?
300
Extending to a height of around 16 km, it's where all weather occurs
What is the troposphere?
300
The ISOTOPE used to produce tremendous amounts of energy using nuclear fission
What is uranium-235?
400
Movement of water caused by the Earth's rotation
What is the Coriolis effect?
400
A scientist who used his mentor's work to come up with three laws of planetary motion.
Who was Johannes Kepler?
400
Rock fragements, gases, ash, and lava that explode out of a volcano form this
What is pyroclastic material?
400
Passed in 1970, it gives the EPA authority to control the amount of air pollution that can be released by any source.
What is the Clean Air Act?
400
The geologic time peroid in which most of the fossil fuels we use today were formed
What is the Devonian period?
500
Deepest part of the ocean in which only organisms such as tube worms can survive
What is the hadal zone?
500
A space telescope that catches very high energy rays that would otherwise be blocked by Earth's atmosphere
What is the Chandra x-ray telescope?
500
Where volcanoes of any type are most likely to form
What is along plate boundaries?
500
A device that measures wind speed
What is an anemometer?
500
A petrochemcial fog produced by the reaction of sunlight and air pollutants
What is smog?
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