Across
- 2. To get the new product known we must what?
- 5. What is something crucial and natural to observe?
- 6. We need to make a new energy inventions that is most what?
- 7. How can we experiment?
- 8. We must improve more useful forms of what?
- 9. How some innovations are small changes to existing tech?
Down
- 1. What should we do to answer the question "Should we leave earth?"
- 3. What is something crucial to look at when researching other planets?
- 4. What are some researchers saying about other planets?