Physics Crossword

2. type of collision in which kinetic energy is conserved
4. distance between the center of a lens or curved mirror and its focus
6. current current consisting of charges that flow in only one direction
9. how fast an object is traveling
11. any change in magnetic environment of a coil wire will cause a voltage to be induced in the coil
13. can conduct electrical energy very easily
15. units of power
18. length measured from the light source to the lens
19. type of collision in which kinetic energy is not conserved
21. this type of lens is an example of a magnifying glass
26. force divided by area
28. a materials opposition to flow of electric current
29. device used to measure current in a circuit
32. time needed for one complete cycle of vibration to pass a given point
33. product of a force and the timer interval during which the force is exerted
34. another name for voltage
36. Electric field region around a charged particle or object within which a force would be exerted on other charged particles
37. SI unit of energy
38. kinetic or potential energy associated with the motion of position of an object
39. device used to measure voltage or electrical potential energy difference
40. the law of _____ of energy states that energy is not created nor destroyed
41. the SI unit of frequency, equal to one cycle per second
43. the rate at which an object changes its velocity
44. measure of how well something uses energy

1. transfer from a solid to a liquid or gaseous phase
3. the thickness of lens <<< focal length
5. If s is – the image is ________
7. If current runs ________ we get attraction
8. the sum of all the forces acting on an object
10. energy of electrically charged particles moving from one place to another
12. nearly impossible for this to conduct an electrical current
14. device that increases or decreases voltage
16. an object is moving if its position relative to a fixed point is changing
17. pivot point
20. the index of __________ is defined as the speed of light in vacuum divided by the speed of light in the medium
22. when a force (like throwing) is exerted on an object, it is now a ______
23. the height of a specific wave from the x axis
24. If current runs _________ we get repulsion
25. law that states that resistance is equal to voltage divided by current
27. electric discharge resulting from accumulation of electric charges on an insulated body
30. length measured from lens to focused image
31. 400nm-750nm
35. the interference of waves
36. the number and kind of atoms that make up an object
42. If s is + the image is _______