Astronomy
Atmosphere
Weather
Oceanography
Miscellaneous
100
The approximate percentage of the Earth that is illuminated by the sun at any given time.
What is 50%?
100
These molecules protect Earth from the harmful effects of the sun by absorbing ultraviolet radiation.
What is ozone?
100
The process of turning a water vapor into liquid water.
What is condensation?
100
Saltiness of the ocean
What is salinity?
100
The physiographic province of Virginia that we live in.
What is Piedmont?
200
The layer of sun that is seen during a total solar eclipse.
What is corona?
200
The process that allows material to heat up and rise and then cool down and sink, causing the air to move in circular patterns.
What are convection currents?
200
An instrument used to measure barometric or atmospheric pressure
What is a barometer?
200
The percentage of the ocean made up of salt.
What is 3.5%
200
The deepest place in the ocean where the greatest amount of water pressure would be exerted.
What is a trench?
300
The material that stars are formed from.
What is gas and dust (in interstellar nebulae).
300
The type of pollution that causes destruction of the ozone layer.
What is air pollution from aerosols or CFCs?
300
The measure of the amount of water in the air at a particular temperature.
What is relative humidity?
300
The chemical formula for salt.
What is sodium chloride or NaCl.
300
The hypothesis for the cause of the dinosaurs' extinction that has the most scientific support
What is a meteor or asteroid impact hit Earth changing the climate which eventually killed the dinosaurs.
400
The inner planets in order from closest to furthest from the sun.
What are Mercury, Venus, Earth, and Mars?
400
The elements that make up Earth's current atmosphere
What is 78% nitrogen and 21% oxygen?
400
The boundary between air masses.
What is a front?
400
The greatest high tides occur when the moon is in these positions.
What is new or full moon.
400
The time of year when the northern hemisphere of Earth is tilted toward the sun.
What is summer solstice?
500
The outer planets in order from closest to furthest from the sun.
What are Jupiter, Saturn, Uranus, and Neptune.
500
Sea breezes and land breezes cause a change in direction of air movement between day and night. This is caused by...
What is land temperature changes more quickly than water temperature (ocean)?
500
Cool dense fog forms over low areas in the Shenandoah Valley in early Fall because...
What is cool air sinks and warm air rises
500
Neap tides are found during these moon cycles.
What is first or second quarter.
500
The TWO times of year when the Earth receives equal length of daylight and nighttime.
What is the vernal equinox and the autumnal equinox?
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