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Environmental Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
astronomical distances are measured in units   light-years  
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star cluster, a family between a million and a trillion stars   galaxy  
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when planets travel around the sun in elliptical paths   orbits  
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the divisions of the year and are also loosely based on the time it takes the moon to complete its cycle of phases   months  
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the bulging of the ocean   high tide  
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occurs between the two high-tide bulges   low tides  
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when the sun and moon are in line, during the new moon and full moon phases, their gravitational force combine to produce very high tides   spring tides  
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when the sun and moon are at a right angle to the Earth, during first- and third quarter phases, the result is lower than normal tides   neap tides  
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when it takes the Earth 365.25 days to complete one revolution around the sun   year  
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an imaginary line around the earth that divides it into northern and southern halves, called hemispheres   equator  
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the time it takes earth to make one rotation on its axis   day  
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the day where it has the longest period of daylight   summer solstice  
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the shortest period of daylight in the Northern Hemisphere   winter solstice  
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when the sun is directly overhead at the equator   spring and autumnal equinox  
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doesn't need oxygen   anarobic  
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needs oxygen   arobic  
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what are the 3 distinct areas of the Earth?   lithosphere, hydrosphere, atmosphere  
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the solid portion of the earth   lithosphere  
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the water on or surrounding the earth   hydrosphere  
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the sea of gasses the earth has trapped   atmosphere  
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basic building block for all matter   atom  
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what are the levels of matter   1.sub-atomic parts 2.forms an atom 3.element 4.mixtures 5.compounds (simple-inorganic, complex-organic)  
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what are the levels of living units   1.cell orginellis 2.cells 3.tissue 4.organs 5.organ systems 6.organism-a species 7.populations 8.communities 9.ecosystem 10.biomes 11.biosphere 12.earth 13.solar system 14.galaxy 15.universe  
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Created by: boydrac13
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