Science chapter 1 astronamy 5thgrade Crossword
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
 
 
Down: 2) curved path followed by a satellite as it revolves around an object.3) final stage in the usa program to reach the moon in which niel armstrong was the first human to step left foot on the moon4) large facility with living quarters, work, and exercise areas, and equipment and support systems for humans to live and work in space and conduct research.6) optical telescope that uses a concave mirror to focus light and form animage at the focal point.9) A dome shaped building that can home optical telescopes10) any natural or artificial object that revolves around another object. Across: 1) Arrangement of electromagnetic waves according to their wave length.5) reusable space craft that can carry a cargo, astronaut, and sattellites to and from space.7) first step in the us program to reach the moon; orbited a piloted space craft around earth and brought back to earth safely.8) special engine that can work in space ad burns liquid or solid fuel.11) collects and records radio waves traveling through space; can be used day or night under most weather conditions12) optical telescope that uses a double convex lens to bend light and form an image at the focal point.13) second stage in the us program to reach the moon in which an astronaut team conected with another space craft in orbit14) instrument that travels far into the solar system and gathers data to send back to earth.
 

 

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