Term
| what phenomenon causes all weather and wind on earth? |
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Definition
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Term
| what are the two main constituents of earth's atmosphere? |
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Definition
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Term
| which of the following is plate tectonics not responsible for? |
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Definition
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Term
| in which layer of earth's atmosphere do weather and convection occur? |
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Definition
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Term
| how much hotter is earth because of the greenhouse effect? |
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Definition
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Term
| what have seismic studies discovered about earth's core? |
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Definition
| the outer core is liquid: the inner core is solid |
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Term
| which of the following is not involved in the production of earth's magnetic field? |
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Definition
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Term
| what is the primary cause of the aurorae(northern and southern lights) |
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Definition
| charged particles interacting with the atmosphere |
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Term
| what are the Van Allen belts? |
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Definition
| zone of high energy particles in the magnetosphere |
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Term
| what natural phenomenon on earth provides information on the structure of earth's core? |
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Definition
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Term
| what is the cause of tectonic plate motion? |
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Definition
| convection in the upper mantle |
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Term
| which of the following is a list of the primary layers of earth's atmosphere in order of increasing altitude above earth's surface? |
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Definition
| Troposphere, Stratosphere, Mesosphere, Ionosphere |
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Term
| at which phrase of the moon do the highest and lowest tides occur? |
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Definition
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Term
| which of the following layers of the earth is unique among the terrestrial planets? |
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Definition
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Term
| what gas is the primary constituent of our atmosphere? |
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Definition
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Term
| the critical part of the atmosphere for protecting life on the ground from excessive ultraviolet radiation is the |
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Definition
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Term
| in what part of our atmosphere do we live? |
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Definition
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Term
| the greenhouse effect works by trapping |
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Definition
| the heat from the sun in earth's atmosphere |
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Term
| the region around earth where magnetic field traps charged particles is the |
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Definition
| Van Allen Radiation Belts |
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Term
| at what phase are the tides least noticeable? |
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Definition
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Term
| what is true of spring tides? |
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Definition
| the difference between low and high tides would be greatest |
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Term
| if there were significantly more greenhouse gases, such as CO2, in earth's atmosphere, then |
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Definition
| the ozone hold would get larger |
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Term
| which of the following layers of the earth is unique among the terrestrial planets? |
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Definition
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Term
| on a cloudless day, what happens to most of the visible light headed toward earth? |
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Definition
| it reaches earth's surface, where some is reflected and some is absorbed |
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Term
| on a day with complete cloud cover, what happens to the visible light head toward earth? |
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Definition
| the clouds reflect much of it back to space, though some still reaches the surface |
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Term
| what happens to the energy that the ground absorbs in the form of visible sunlight? |
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Definition
| it is returned upward in the form of infrared light |
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Term
| the greenhouse effect raises earth's surface temperature (from what it would be otherwise) because the infrared light radiated by earth's surface____ |
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Definition
| is temporarily absorbed by greenhouse gases and then re-emitted in random directions |
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