Across
- 2. — Danish astronomer who collected detailed sky observations.
- 4. — A testable scientific explanation.
- 5. — Careful watching used to gather scientific data.
- 7. — Knowledge gained through experience and observation.
- 10. — Scientist who improved knowledge of human anatomy.
- 13. — Theory that the sun is at the center of the universe.
- 14. — Discovered how blood circulates through the body.
- 15. — Belief that Earth is the center of the universe.
- 17. — Formulated laws of motion and universal gravitation.
- 18. — Step‑by‑step process for testing ideas.
- 20. — Emphasized reason and mathematics in science.
- 21. — Founder of modern chemistry; studied gases.
- 22. — Belief that reason is the main source of knowledge.
- 23. — Study of stars, planets, and space.
Down
- 1. — Statement describing a natural phenomenon.
- 2. — Well‑supported scientific explanation.
- 3. — Used the telescope to support heliocentrism.
- 6. — Astronomer who proposed the heliocentric (sun‑centered) universe.
- 7. — A test used to support or disprove a hypothesis.
- 8. — Study of the structure of the human body.
- 9. — Promoted experimentation and observation.
- 11. — Scientist who discovered planetary orbits are elliptical.
- 12. — Instrument that magnifies distant objects.
- 16. — Information collected during research.
- 19. — Force that pulls objects toward one another.