everything science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| earth science | study of earth and of the universe around it
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| geology | study of the orgin history processes and structure of the solid earth
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| oceanogrphy | study of earths oceans
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| meteorology | study of earths atmosphere
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| astronomy | study of the universe beyond earth
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| galaxy | large collection of stars
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| astronomical unit | approximates the average distance between earth and sun
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| electromagnetic spectrum | all of the wavelengths of electromagnetic radiation
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| perihelion | point at which planet is closest to sun
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| aphelion | point at which planet is farthes away from sun
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| days in one year | 365 1/4
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| leap year | every 4 years the 1/4 day adds up and puts a extra day on febuary
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| solstices | seasons of summer and winter begin on days
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| equinox | the sasons fall and spring begin on days
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| autumnal equinox | begins on september 22 or 23 of each year
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| vernal equinox | begins on march 21or 22 of each year
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| summer solstice | june 21-22
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| winter solstice | 21-22
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| solar system | consists of the sun the planets and all of the other bodies that revolve around the sun
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| planets | the primary bodies that orbit the sun
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| satellite | a body that orbits a larger body
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| mare | dark areas on the moon
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| craters | bowl shaped depressions on the moon
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| rilles | long deep channels on the moon
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| rays | streaks that extend outward from the impact site on the moon
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| regolith | rock and dust on moons surface
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| eclipse | occurs when one celestial body passes trhough the shadow of another
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| umbra | sunlight is completely blocked
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| penumbra | sunlight is only partially blocked
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| solar eclipse | when the moon is directly between the sun and part of earth
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| lunar eclipse | occurs when earth is positioned between the moon and the sun.
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| star | ball of gases
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| light year | distance traveled in one year
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| apparent magnitude | brightness of a star as it appears to us on earth
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| absolute manitude | the true brightness of a star
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| matter | anything that takes up space and has mass
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| element | substance that cannot be broken down into simpler
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| atom | smallest unit of an element that has the chemical properties of that element
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| isotope | atom that has the same number of protons as other atoms of the same element do but has a different number of neutrons
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| average atomic mass | weighted average of the atomic masses of the naturally occuring isotopes of an element
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| atomic number | number of protons in the nucleus of n atom
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| mass number | sum of the number of protons and neutrons in an atom
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| compound | substance that is made of two or more elements that are joined by chemical bonds between the atoms of those elements
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| chemical bond | forces that hold together the atoms in molecules
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| ion | particle such as an atom or molecule that carries a charge
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| ionic bond | attractive force between oppositely charged ions that result from the transfer of electrons from one atom to another
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| covalent bond | a bond that is formed by the attraction between atoms that share electrons
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| mineral | a natural usually inorganic solid that has a characteristic chemical compsition an orderly internal structure and a characteristic set of physical properties
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| luster | light that is reflected from a minerals surface
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| cleavage | tendency of a mineral to split along specific planes of weakness to form smooth flat surfaces
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| fracture | break unevenly into pieces that have curved or irregular surfaces
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Created by:
mktmac
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