Across
- 3. Suitable for your purposes and needs and causing the least difficulty
- 7. Using new methods or ideas
- 11. A natural object moving around a larger object in space
- 13. A device used for measuring temperature
- 16. One of many large rocks that circle the sun
- 18. İmportant, useful, or beneficial
- 19. An unusual, exciting, and possibly dangerous activity
- 20. Difficult, in a way that tests your ability or determination
Down
- 1. An expert who studies or works in one of the sciences
- 2. Known and recognized by many people
- 4. A test done in order to learn something or to discover if something works or is true
- 5. The particular state that something or someone is in
- 6. Notice, thought, or interest
- 8. The water that is provided and treated for a particular area
- 9. A mass of very small bubbles formed on the surface of a liquid
- 10. To have control and authority over something or someone and the duty of taking care of it, him, or her
- 12. The force that attracts objects towards one another, especially the force that makes things fall to the ground
- 14. Things that can be wore
- 15. A person who has been trained for travelling in space
- 17. The outer or top part or layer of something