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46 Cards in this Set
- Front
- Back
0 degrees |
The most southern latitude from which an observer can see the North Star |
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23.5 degrees |
The Sun's altitude changes because Earth's axis is tilted |
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Eastward |
The earth revolves around the sun |
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Counterclockwise |
The moon rises 50 minutes later each day because the moon revolves ___________ around earth |
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Away |
The horns of the crescent moon points ______ from the sun |
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Mercury, Venus, Mars |
Terrestrial planets |
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Constellations |
88 prominent groups of stars |
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Autumnal equinox |
6 months of darkness at the north pole begins when the sun is at the |
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365.2 |
The division of time that cannot be changed by human decision |
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4 min |
The sun appears to travel daily in the sky one degree |
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99.9% |
The stratosphere and troposphere account for ______ of the mass of the atmosphere |
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Sky's blue color |
The preferential scattering of light by gas molecules account for |
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The study of astronomy |
The totality of all matter, energy, space and time |
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Geocentric |
Earth centered |
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Heliocentric |
Sun centered |
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Asteroids |
Believed to be left over debris from the formation of the solar system |
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Divergent, convergent, transform |
The three types of plate boundaries |
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Temperature |
The greenhouse effect effectively regulars earths |
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Snow |
The substance that has the largest albedo |
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Atmosphere |
The two smallest major planets in the solar system do not have |
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Humidity |
The heat index accounts for the real feel due to the effects of ______. |
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Uniformitarianism |
The present is key to the past |
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Carbonic acid |
The most important acid involved in chemical weathering. |
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V-Shaped Valley |
The principle land form resulting from a streams erosive power |
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Weathering |
The wearing away of soil and rock |
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Mineral |
A naturally occurring crystalline, inorganic element |
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Paleontology |
The study of rocks |
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Pefrology |
The study of fossils |
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Iron |
Earths core is believed to be made of |
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James Hutton |
Developed the fundamental concept of uniformitarianism |
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Facts about glaciers |
Made of ice, they flow, form when snow falls and melts |
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3% |
The percentage of fresh water |
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Ozone layer |
Chlorine is responsible for destroying the |
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Latent heat from condensation |
Hurricanes derive their energy from |
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Fossil fuels |
Natural fuels formed from the remains of living organisms; coal, gas |
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Sulfur dioxide and nitrogen dioxide |
The pollutants responsible for acid rain |
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Evidence for the existence of pangaea |
Biological evidence Glacial evidence Continuity of geologic features |
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Galaxy |
An extremely large collection of stars |
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K-T event |
The occurrence associated with the demise of dinosaurs |
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4.56 billion years old |
Radiometric dating indicates that the earth is |
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Carbon-14 |
Carbon dating uses the isotope of carbon known as _______ |
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Distance, declination, right ascension |
Three space coordinates that determine a stars position |
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One or more minerals |
What are rocks composed of ______. |
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Characteristics |
Rocks are classified into three types of _______. |
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42.5 pounds |
If a person weighs 250 lbs on earth that person weighs _____ on the moon. |
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Remnant magnetism |
Studies rocks spreading from the Mid-Atlantic; this supports continental drift. |