Across
- 2. The phenomenon of light bending as it passes through different mediums (9)
- 4. A planet known for its rings (6)
- 8. The fundamental force responsible for holding the nucleus together (11)
- 10. The unit used to measure electric current (6)
- 13. The process by which a solid changes directly into a gas (11)
- 14. The organ in the body that filters blood (6)
- 16. The part of the cell that contains genetic material (7)
Down
- 1. The branch of science that studies the properties and reactions of substances (9)
- 3. The smallest particle of an element (4)
- 5. The gas that makes up most of Earth's atmosphere (8)
- 6. The branch of mathematics dealing with shapes and their properties (8)
- 7. The chemical element with the symbol "Fe" (4)
- 9. The protein that speeds up chemical reactions in the body (6)
- 11. The energy stored in an object due to its position (9)
- 12. The universal solvent (5)
- 15. A scientist famous for the theory of relativity (8)