Across
- 3. Italian born physicist often called the father of observational astronomy (7)
- 5. we cannot make atoms decay as this process is ____ (11)
- 7. the planet in our solar system with the most volcanoes (5)
- 11. the number of humans that have walked on the moon (6)
- 12. current x time (6)
- 14. as the frequency of a wave increases its wavelength ____ (9)
- 16. transformers only work for ____ current (11)
- 17. element 104 (symbol Rf) was named after this physicist (10)
- 20. element 99 (symbol Es) was named after this physicist (8)
- 21. sound can’t travel here (5)
- 22. has the quark configuration uud (6)
- 26. radiocarbon ____ is a method for determining the age of an object containing organic material (6)
- 28. an electric car company, a unit and the last name of a physicist (5)
- 29. involves a gas changing to a liquid (12)
- 30. a change of state is not a ____ change (8)
- 31. produces a magnetic field around the wire (7)
Down
- 1. an exchange particle (4)
- 2. electrons have a ____ charge (8)
- 4. power x time (6)
- 6. often thought to be a planet (5)
- 8. a change of state is a ____ change (8)
- 9. angle of incidence = angle of ____ (10)
- 10. all waves can be ____ (11)
- 12. a type of lens (7)
- 13. in our solar system there are ____ gas giants (4)
- 15. all objects are always emitting and absorbing ____ radiation (8)
- 18. type of magnet that produces its own magnetic field (9)
- 19. a greater ____ leads to a smaller de Broglie wavelength (8)
- 23. number of quarks a baryon should have (5)
- 24. lepton number is a ____ number and is conserved in all interactions (7)
- 25. an electric current is the rate of flow of ____ (6)
- 27. current x potential difference (5)