VI. Write the correct form of the words in brackets.
1. The first _______ to study the surface of Mars was Galileo Galilei. (astronomy)
2. A Mars _______ is a place that humans can live in on Mars. (habitable)
3. The space tourists will spend two days traveling to and from the _______ space station. (orbit)
4. The sensation of _______ , or zero gravity, happens when the effects of gravity are not felt. (weigh)
5. The astronauts are performing NASA’s first routine _______ outside the International Space Station. (maintain)
6. On 5 October 1957 the Soviet Union _______ in putting the first man made satellite into orbit around the Earth. (success)
7. The astronauts from many nations worked _______ together to accomplish their work. (harmony)
8. One of the basic _______ to join NASA is American citizenship. (require)
9. John Young was one of NASA’s most _______ astronauts and the first astronaut to fly into space six times. (experience)
10. The Apollo 11 moon landing was a _______ achievement. (history)
TK
1) Astronaut
2) habitat
3) orbiting
4) weight
5) maintenance
6) successfully
7) harmonically
8) requirements
9) experienced
10) historical
1. The first ___astronaut____ to study the surface of Mars was Galileo Galilei. (astronomy)
2. A Mars ___habitat____ is a place that humans can live in on Mars. (habitable)
3. The space tourists will spend two days traveling to and from the ____orbiting___ space station. (orbit)
4. The sensation of ____weightless___ , or zero gravity, happens when the effects of gravity are not felt. (weigh)
5. The astronauts are performing NASA’s first routine __maintenance_____ outside the International Space Station. (maintain)
6. On 5 October 1957 the Soviet Union ___succeed____ in putting the first man made satellite into orbit around the Earth. (success)
7. The astronauts from many nations worked ___harmol]nically____ together to accomplish their work. (harmony)
8. One of the basic ___requirements____ to join NASA is American citizenship. (require)
9. John Young was one of NASA’s most ___experienced____ astronauts and the first astronaut to fly into space six times. (experience)
10. The Apollo 11 moon landing was a ___historical____ achievement. (history)