Chp. 10 vocab. Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 1) portion of earth's interior lying beneath the crust, and above the core.2) imaginary vertical line that cuts through the center of the earth and around which earth spins.3) occurs when the moon passes directly between the sun and earth and casts a shadow over part of earth.4) either of the 2 halves of the earth that lie north or south of the equator.5) the distance around something.7) moon phase that occurs when the moon is between earth and the sun, at which the moon cannot be seen because its lighted half is facing the sun and its dark side faces earth.8) a round, three dimensional object whose surface is the same distance from its center at all points.11) the force of attraction between all masses in the universe.13) phase that occurs when all of the moon's surface facing earth reflects light.14) change in appearance of the moon as viewed from the earth, due to relative positions of the moon, earth, and sun.15) the path followed by an object in space as it goes around another object.20) a small rocky body orbiting the sun.22) describes phases following a new moon, as more of moon's lighted side becomes visible. Across: 6) twice-yearly point at which the the sun reaches its greatest distance north or south of the equator.9) a year, occurring every once every 4 years, that has 366 days including february 29.10) a hollow left on the surface of the moon caused by an object striking its surface.12) a small frozen mass of dust and gas revolving around the sun.16) a bright streak of light in the sky caused by the entry into earth's atmosphere of a meteoroid or a small icy particle.17) earth's yearlong elliptical orbit around the sun.18) occurs when earth's shadow falls on the moon.19) spinning of earth around its imaginary axis, which takes about 24 hours to complete and causes day and night to occur.21) elongated, closed curve that describes earth's yearlong orbit around the sun.23) dark colored, relatively flat regions of the moon formed when ancient lava reached the surface and filled craters on the moon's surface.24) twice-yearly time when the sun is directly over the equator and the number of daylight and nighttime hours are equal worldwide.25) describes phases that occur after a full moon, as the visible lighted side of the moon grows smaller.
 

 

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