This printable word scramble on the topic of US History (General) has 10 scrambled words to unscramble. This word scramble is also available to download as a Microsoft Word document or a PDF.
Venera 7
Sputnik
Mariner 4
Yuri Gagarin
Outer Space
Rocket
Valentina Tereshkova
Neil Armstrong
Laika
Alexei Leonov