Across
- 1. the newton is an ____ __ _____
- 3. it focuses the light in cameras and eyes
- 5. the 3 dimensional field of attraction
- 8. surrounding the nucleus
- 11. any of the series of fifteen metallic elements
- 12. groups 1,2,13-18
- 15. the movement of an oscillation
- 18. the stable or constant energy state achieved by a system consisting of particles like atoms, electrons, etc
- 22. an example of a non-contact force
- 23. the discovery of cells followed from this invention
- 24. device that uses electromagnetism
- 28. the deflection of radiation results to ______________
- 29. not allowing light to pass through
- 30. it was first studied by Christion Oersted and Andre Marie Ampere
Down
- 2. only the plant cell contains this protective barrier
- 4. the movement of particles in the medium
- 6. any of a number of organized or specialized structures within a living cell
- 7. particles representing a quantum of light or other electromagnetic radiation
- 9. these lines do not cross each other
- 10. magnetic forces are caused by the ________ _______ _______
- 13. An example of a single oscillation
- 14. basic property of cell
- 16. they rarely take part in a reaction; very stable = don't react
- 17. the unit of an amplitude
- 19. included in the periodic law
- 20. the transfer of energy
- 21. produced by the deviation or difference in velocity between the fluid and the object
- 25. An oscillation can be a ________ ______ that repeats itself in a regular cycle
- 26. when light behaves as a wave and sometimes as a particles
- 27. billions of atoms together