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Key words

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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Term
Definition
astronomy   The study of the universe  
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civilisation   A society in a particular time and place  
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eclipse   When one object obstructs another from view  
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equator   Point at 90 degrees from the axis  
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hieroglyphics   Pictures and symbols to communicate  
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codex (plural: codices)   Ancient books containing hieroglyphics  
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comet   An asteroid with an intergalactical orbit  
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satellite   When one object circles another  
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planet   An object large enough to make itself round by its own gravity  
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Solar System   The system of planets orbiting the Sun  
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anticlockwise   In opposite motion to a clock’s hands  
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revolution   To spin once on its axis  
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axis   The imaginary line about which an object turns  
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Poles   The upper and lower points on the surface where the axis is  
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tilted   Not completely vertical  
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altitude   The angle measured from the horizon  
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clinometer   Instrument to measure the altitude of the Sun  
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autumnal equinox   From summer into winter when the day and night are equal length  
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sundial   Using the sun to tell the time of day  
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Antarctica   Land mass at the South Pole  
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Arctic Circle   Ice mass at the North Pole  
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hemisphere   From the equator to the pole (Northern or Southern)  
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seasonal   Of the seasons – Summer, Autumn, Winter, Spring  
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atmosphere   Layer of air above the Earth’s surface  
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phases   The different shapes of the moon  
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waxes   Increasing in shape size  
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wanes   Decreasing in shape size  
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crescent   Shape that the moon takes  
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solar   Belonging to the Sun  
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annular   A partial eclipse  
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elliptical   In an oval shaped orbit  
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annulus   Area of sunlight showing around the moon in an eclispe  
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lunar   Belonging to the moon  
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scattered   Spread out  
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orbit   The path of motion of one object around another  
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asteroid   Large masses less than planets in space  
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meteor   Space rocks that burn up in the atmosphere  
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meteorite   Space rock  
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constellation   Groupings of stars  
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Milky Way   Our galaxy (containing the Solar system)  
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galaxy   A collection of star systems  
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Andromeda   The nearest galaxy to the Milky Way  
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