Across
- 3. Scientists work with astronauts to see how the human body works in different __.
- 6. How do astronauts take a __ in space?
- 7. At first, scientists sent __ into space.
- 9. Astronauts are __ into space aboard vehicles called rockets.
- 10. ___ planets that are too small to disturb other planets' path.
- 11. The first human who __ foot on the Moon was Neil Armstrong.
- 12. A path for planets to move on.
Down
- 1. Astronauts are __ experiments in zero-gravity.
- 2. To avoid __ loss, astronauts have to exercise regularly,
- 4. A __ that carry astronauts into space is called a rocket.
- 5. One of the vegetables planted in the space station.
- 8. A cold spot on the sun is called a __.
- 13. The International Space Station abbreviation.