Across
- 3. Detailed study of a subject, especially to learn something new about it.
- 6. Putting blood into a person or animal.
- 7. The way that two things are connected.
- 9. Introduces information that the speaker (or writer) thinks is strange or interesting.
- 10. The number of people living in a certain place.
- 12. A reason to believe that something is true (or false), proof.
Down
- 1. Information, especially numbers.
- 2. Can be done, can be achieved.
- 4. The way that people or things are spread out in a place.
- 5. The number or amount between an upper limit and a lower limit.
- 7. How often something happens in a period of time.
- 8. Related to science.
- 11. Lower than, under.
- 13. Flat, smooth, or regular.