8th Grade astronomy final review Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) its axis is tilted as it revolves around the sun3) darkest part of the moons shadow4) a building that contains one or more telescope5) the earth blocks sunlight from reaching the earth7) A place that is empty of all matter 8) how much of the sunlit side of the moon faces earth9) large cloud of dust and gas spread out in immense volume10) an item used on earth but developed for use in space13) differences in how much the moons gravity pulls on different parts of the earth14) all of space and everything in it15) the earliest stage of a stars life17) A device that expels gas in one direction to move in the opposite direction 18) the amount of matter in an object19) gas giants20) chunks of ice and rock21) the force of gravity on an object22) red planet because its surface is convered with red dust24) a planet sized object colliding with earth25) an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by an unbalanced force29) an instrument that breaks the light from an object into colors 31) part of the shadow that is less dark and larger then the umbra32) the rise and fall of the oceans water34) chunk of rock or dust in space35) a galaxy that has a pinwheel shape36) large round pits created by the impact of meteoriods37) a pattern of stars in the sky39) Indirectly acquiring information about earths surface 40) A spacecraft that has scientific instruments but no human crew.41) light colored mountains 43) the reaction force that propels a rocket forward 44) Speed in a given direction45) spinning of the earth of its axis47) the largest and most massive planet49) the pull of gravity of the sun and moon at right angels of each otheer Across: 2) the explosion of a dying giant or supergiant star6) the movement of one object around another object10) a large artificial satellite in which people live and work11) an objest with gravity so strong nothing can escape12) the explosion that formed the universe16) terrestrial planets23) it has liquid water at its surface26) the combined forces of the gravity of the sun and moon produce a tide with the greatest difference between consecutive high and low tides27) distances between stars 28) the small dense remains of a high-mass star30)  a distant extremely bright galaxy with a black hole at its center 32) spiral irregular and elliptical33) the apparent change in position of an object when looked at from different places38) the different shapes of the moon you see from earth 42) the tendency of an object to resist a change in motion46) hardened rock formed from huge lava flows48) the moon passes directly between the earth and the sun blocking the sunlight from the earth50) earth and all other planets revolve around sun 51) when the length of daytime and nighttime are about the same52) the smallest terrestrial planet and the planet closest to the sun53) photosphere chromosphere and corona
 

 

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