Across
- 2. what happened in the test
- 6. something you want to find out
- 7. say what you think will happen
- 9. to find size, amount, or time
- 10. object sent into space to orbit Earth
- 11. when a rocket lifts off into the sky
- 14. able to not break easily
- 17. to look carefully and notice
- 18. person who travels into space
- 22. test test where only one thing is changed
- 23. learning about the world by testing ideas
- 24. a smart guess you can test
Down
- 1. air-like substance that shoots out of a rocket
- 3. person who designs and builds machines
- 4. moving at high speed
- 5. what you learned from the test
- 8. the thing you change in a test
- 12. having a high temperature
- 13. a fair test to find an answer
- 14. the area beyond Earth’s atmosphere
- 15. movement that happens after an action
- 16. machine that can fly into space
- 19. a strong push that moves a rocket up
- 20. a push or force that starts movement
- 21. to write down results
- 22. something that gives energy for movement