Across
- 2. a state of matter that has no fixed shape and no fixed volume
- 4. a positive charge equal in magnitude to a unit of electron charge
- 6. how fast an object is moving
- 8. an occupation or something that someone does or has done
- 11. any substance composed of identical molecules consisting of atoms of two or more chemical elements
- 17. solid, liquid, and gas are
- 20. branches so that the current divides and only part of it flows through any branch
- 21. he transfer of heat between two parts of a stationary system, caused by a temperature difference between the parts
- 22. Tow forces equal in size
- 24. a thing that is composed of two or more separate elements; a mixture.
- 28. processing thoughts and feelings about an incident
- 29. the controlled use of nuclear energy
- 31. a measure of the amount of matter in an object
- 32. when a neutron slams into a larger atom
- 33. the support force exerted upon an object that is in contact with another stable object
- 34. property of a body by virtue of which it opposes any agency that attempts to put it in motion
- 36. formed when two or more other substances act upon one another
- 39. the process of light bending around an obstacle or spreading out after it moves through a small space
- 41. the flow of electrical charge carriers like electrons.
- 42. disturbance or variation that transfers energy progressively from point to point in a medium
- 43. the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay
- 46. one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table
- 47. the change in direction of a wave passing from one medium to another caused by its change in speed
- 48. a form of energy that results from the flow of charged particles
Down
- 1. any material capable of attracting iron and producing a magnetic field outside itself
- 3. comprises a path along which the whole current flows through each component
- 5. a stable subatomic particle with a charge of negative electricity
- 7. is a mechanical device that changes the direction or magnitude of a force
- 9. energy that comes from a source and travels through space at the speed of light.
- 10. the basic unit of a chemical element.
- 12. one of the three main states of matter, along with liquid and gas
- 13. motion remains in uniform motion in a straight line u
- 14. a subatomic particle of about the same mass as a proton but without an electric charge
- 15. equal to one event per second
- 16. a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim
- 18. the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.
- 19. strength or energy exerted or brought to bear
- 23. two forces acting on an object are not equal in size
- 25. the study of a state of matter comprising charged particles
- 26. any atom or group of atoms that bears one or more positive or negative electrical charges
- 27. relating to, or utilizing a shift in frequency
- 30. a scalar quantity that refers to "how much ground an object has covered
- 35. the capacity for doing work
- 37. in referring to matter that is not solid
- 38. an electromotive force or potential difference expressed in volts.
- 40. the act or process of liquefying or rendering plastic by heat
- 42. a measure of the heaviness of an object
- 44. units of distance divided by time
- 45. the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.