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36 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Explain the Rotation of the earth |
West to East 24 hours |
What direction? |
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How long is the earth's revolution? |
365 1/4 days |
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What is a neap tide? |
Forms a 90° angle with sun & moon |
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What is a spring tide? |
The sun and moon align (stronger than neap tide) |
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What is the tilt of the earth's axis? |
23.5° |
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Explain what a solstice is |
When the suns rays strike 23.5° N/S |
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Explain what an equinox is |
When the suns rays strike the equator |
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Is the tropic of cancer North or South? |
North |
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When is the vernal equinox? |
Marth 21st |
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When is the automnal equinox? |
September 22nd |
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When is the summer solstice? |
June 21st |
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When is the winter solstice? |
December 21st |
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What is an analema |
Shows where the suns rays are striking the earth |
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What are Earth's 4 spheres? |
Atmosphere, hydrosphere, lithosphere, biosphere |
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How old is the Earth? |
4.5 billion years |
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How many planets are there? |
8 w/out Pluto |
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How fast is gravity |
9.8m/sec squared |
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How often does a neap tide happen? |
2 times a month |
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What does a neap tide result in? |
Results in a "lower" high tide |
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How is the suns energy kept within the earth's atmosphere? |
By O2 CO2 and moisture |
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How much of the earth's energy does the earth absorb? |
1/2 and reflects 1/2 |
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What weather does cold air bring? |
Stable |
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What weather does hot air bring? |
Stormy |
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How much colder does it get every 1,000ft? |
-3.5°F |
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Is the windward side dry or wet? |
Wet |
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Hot air is in what pressure zone? |
Low pressure |
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Cold air is in what pressure zone? |
High pressure |
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What are prevailing winds? |
Blow from high to low pressure |
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Doldrums |
Areas near the equator with little to no prevailing winds |
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What are fronts? |
When 2 air masses with different temperatures meet |
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What are Jet streams? |
Prevailing winds that blow earth's upper atmosphere |
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What are Ocean currents |
Set in motion by wind, rotation and temperature differences |
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What is evaporation? |
Process by which water changes from liquid to gas |
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What is Humidity |
The amount of water vapor in the air |
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What is Condensation? |
Process by which water vapor changes gas into liquid droplets |
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What is convection? |
Air is heated by surface radiation and air is forced to rise |
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