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Satellite Scientists Crossword Puzzle for Upper Elementary is a hard crossword puzzle with 13 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Satellite Scientists Crossword Puzzle for Upper Elementary
Challenge your knowledge of important satellite pioneers and technical terms in this hard crossword for 3rd-5th grade students interested in space science.
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Across
  • 1. The Soviet spacecraft that carried Yuri Gagarin, the first human in space
  • 2. Russian term for a space traveler, similar to astronaut
  • 3. Astronomer who discovered infrared radiation, aiding satellite telescope technology
  • 7. Hungarian engineer who invented the first communication satellite idea (Hint: quiet transmission)
  • 10. Last name of American physicist who helped develop weather satellites (clue: W. H. K____)
  • 11. Name of the European satellite navigation system and also a famous astronomer
Down
  • 4. Layer of Earth's atmosphere that reflects radio waves and aids satellite communication
  • 5. Name of the first artificial Earth satellite launched by the USSR
  • 6. Person trained to travel and work in space
  • 8. Pioneer inventor whose work inspired wireless communication but did not launch satellites
  • 9. Science and technology involved in designing vehicles to launch satellites
  • 12. Term describing the path satellites follow around Earth
  • 13. The first living creature sent into Earth orbit by Sputnik 2
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