Complete the sentences with the words from the box.

11. The plane is now flying at an ……………………of 30,000 feet.

12. When ……………………go to space, they float due to the lack of gravity.

13. The astronauts became ……………………on going into orbit round the earth.

14. After the Earth, Mars is the most ……………………planet in our solar system.

15. NASA intends to land its first manned ……………………on Mars in 10 years’ time.

16. ……………………is a natural science that studies celestial objects and phenomena.

17. The space station requires routine ……………………and safety checks on most days.

18. ……………………is the condition in which people or objects appear to be weightless.

19. Astronauts wash their hair with a ……………………shampoo so they don’t need to get their hair wet.

20. The Museum of ……………………in Moscow collects, stores and displays items of space exploration

 Complete the sentences with the words from the box.

11. The plane is now flying at an ……………………of 30,000 feet.

12. When ……………………go to space, they float due to the lack of gravity.

13. The astronauts became ……………………on going into orbit round the earth.

14. After the Earth, Mars is the most ……………………planet in our solar system.

15. NASA intends to land its first manned ……………………on Mars in 10 years’ time.

16. ……………………is a natural science that studies celestial objects and phenomena.

17. The space station requires routine ……………………and safety checks on most days.

18. ……………………is the condition in which people or objects appear to be weightless.

19. Astronauts wash their hair with a ……………………shampoo so they don’t need to get their hair wet.

20. The Museum of ……………………in Moscow collects, stores and displays items of space exploration.

Complete the sentences with the words from the box.

1. Children need lots of love and ………………………

2. Astronauts wash their hair with a ………………………shampoo.
3. The device ………………………conditions in space quite closely.

4. Occasionally working from home adds ………………………to a job.

5. My motorbike broke down and ………………………I was late.

6. We could drive all the way. ………………………, we could fly.

7. Many small businesses fail in the first year of ……………………….

8. France was the third country to launch an artificial ……………………….

9. In societies with strong family ………………………, people tend to live longer.

10. She started with a cleaning job, and progressed to running the ……………………….

*Complete the sentences with the words from the box.

1. Halley’s ………………………only appears every 75 years. 
2. The ………………………is bigger than we can imagine. 
3. I think it would be incredibly exciting to do a ………………………. 
4. We were asked to practice by scuba diving in a ………………………. 
5. The government uses ………………………surveillance to track terrorists. 
6. They are predicting a ………………………shower at the beginning of June. 
7. ………………………is a leading company in the growing industry of space tourism. 
8. We also have to experience ………………………, which is awesome but a little dizzying. 
9. My dream is to become an ………………………, so I registered for the next Virgin Galactic flight. 
10. To prepare for the space trip, I read lots of interesting ………………………books about stars and planets.

*Complete the sentences with the words from the box.

1. The feeling of ……………………in space is surreal. 
2. It becomes harder to breathe in very high ……………………. 
3. It takes a lot of ……………………to keep this rocket in great condition. 
4. There are 8 planets in our galaxy but many more in other……………………. 
5. ……………………are responsible for many discoveries in scientific history. 
6. When an airplane is in ……………………, passengers can feel weightless. 
7. It is believed that ……………………will become popular in the next 50 years.                                                                                                                  8. NASA has had many failed ……………………but they are hopeful that this mission will succeed.                                                                                         9. The International Space Station has developed many new ……………………in the last 10 years. 
10. My little brother wants to work for NASA when he grows up so he can help build …………………….

*Complete the sentences with the words from the box.

1. The rockets will be ………………………at 10 am. 
2. Astronauts use ………………………toothpaste in space. 
3. Scientists think that Mars will be ………………………someday. 
4. The new space shuttle needs 15 astronauts to ………………………it. 
5. Please ………………………your helmet to your spacesuit before take-off. 
6. You must ………………………the mountain carefully so you don’t slip and fall. 
7. Do you think humans and aliens could live together ………………………? 
8. ………………………space travel may become a profitable business in the future. 
9. I’m trying to get the baby to ………………………his food but he keeps spitting it out. 
10. These ………………………vapors are causing quite a bit of fog in the mountains.

Choose the best answer to complete the sentence.

All the astronauts who are orbiting the earth in space capsules are weightless.

=> All the astronauts _______ the earth in space capsules are weightless.

A. to orbit

B. are orbiting

C. orbiting

D. Orbit