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40 Cards in this Set
- Front
- Back
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The presence of a magnetic field is a good indication of? |
We have a liquid metal core (outer) |
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Which atmospheric component is chiefly a product of life processes? |
Oxygen |
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We determine the structure of the Earth’s core using? |
Seismic Wave Date |
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The critical part of the atmosphere for protecting life on the ground from excessive UV radiationis what? |
Ozone Layer |
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From the center outward, what are the layers of the Earth? |
Solid inner core, liquid O.C., Silicate mantle, and crust |
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What gas is the primary constituent of our atmosphere? |
Nitrogen |
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What is true about solar system densities? |
Denser = closer to sun |
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The plane in which almost all planets orbit the sun is called? |
Ecliptic |
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Which layer of the Earth is unique among the terrestrial planets? |
Hydrosphere |
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The most famous prehistoric astronomical observatory is? |
Stone Henge |
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In general, what is true of the alpha star in a constellation? |
Brightest star in the constellation |
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What is the process that physically transfers heat from a lower (hotter) to a higher (less hot) level? |
Convection |
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When strong solar winds are displaced poleward by our magnetic fields, we get? |
Intense Auroral Displays |
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What celestial line is a product of the Earth’s orbit around the Sun? |
Eliptic |
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Seismic waves are most useful for mapping? |
Earth's core and mantle |
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When the Sun rises it is located in the constellation Gemini. When the Sun sets later that sameday it will be in the constellation? |
Gemini |
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What type of telescope is the Hubble Space Telescope? |
Cassegrain Telescope |
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What are constellations? |
Figures/ patterns made by the stars in the night sky |
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Which body has the greatest gravitational pull on Earth? |
The sun |
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20. What is the primary purpose of an astronomical telescope? |
To collect a lot of light & bring to focus |
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The crust of the Earth is covered by _____ % water in the hydrosphere. |
70 % |
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About how many stars are visible on a clear, dark night…naked eye alone |
About 3,000 |
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23. Within Earth’s atmosphere the ozone layer is located? |
In the stratosphere |
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24. What were Galileo’s telescopic discoveries? |
Telescope and 4 moons |
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What were Copernicus’ contributions to astronomy? |
laid out order and motion of know solar system |
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What is the Dynamo Theory? |
magnetic fields are generated by rapid fluid interiors |
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Almost all of the atmospheric gases lie in the? |
troposphere |
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Where on Earth can you observe all of the stars in the sky over an entire year? |
equator |
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The largest asteroid, and probably the only one to be a spherical “world” is? |
ceres |
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In what part of our atmosphere do we live? |
Troposphere |
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What happens when two tectonic plates collide? |
Continue moving, producing large deformations |
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Which planet by itself contains the majority of mass of all the planets? |
Jupiter |
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Into how many constellations is the celestial sphere divided |
88 |
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What are the Jovian planets? |
Jupiter, Saturn, Uranus, and Neptune |
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Clouds form primarily at the boundary between |
Troposphere and Stratosphere |
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Know these in order: (smallest to largest and vice versa)Local Group Milky Way Solar System Universe |
Local group, solar system, milky way, and universe |
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Within Earth’s atmosphere, in which laver does convection occur |
Troposphere |
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What can we conclude about the structure of the Earth’s interior knowing that the average densityof Earth is higher than the average density of the rock on the continents and seafloor? |
Earth's most dense material must be beneath the surface |
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The most accurate Greek attempt to explain planetary motion was the model of whom |
Copernicus |
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Which is not a product of plate tectonics and/or hot spots?mountain formation, erosion, island formation, geysers, oceanic trenches |
Grand canyon eroded depths |
