science
Across
- 3. a mistake or inaccuracy, as in action or speech
- 4. the faculty of rational argument, deduction, judgment, etc
- 5. Scientific or scholarly search
- 8. a proposal or topic presented for consideration
- 9. It is important to design an experiment that is easily _______
- 13. Red, blue and green are the ____________ colours.
- 14. Size or amount of a quantity as compared to a standard
- 16. The things you record as you carry out your investigation
- 17. A theory that can experimentally be confirmed time-and-time againand usually without change is a _____
- 18. Material that doesn't allow an electric current to flow through it
- 20. To give an approximate value to a quantity
- 22. widely known or frequently encountered; ordinary
- 24. the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence
- 27. Something that changes or can be changed in an experiment
- 31. Particle with half-integer spin, for an integer that is non-negative, even, and usually small.
- 32. Tiny, invisible particle of electricity
- 33. a call to engage in a fight, argument, or contest
- 34. To notice through careful attention
- 39. Empty space
- 42. benefit or profit
- 44. A unit of force defined as kg•m/s2
- 45. A quantity that has both an amount (magnitude) and direction
- 47. Electricity that doesn't flow
- 48. any evidence that establishes or helps to establish the truth, validity, quality, etc., of something
- 49. forming a necessary base or core; of central importance
- 52. Energy associated with movement
- 55. A long coil of thin wire inside a light bulb (syn. of word fiber)
- 57. ground for belief or disbelief; data on which to base proof or to establish truth or falsehood
- 58. A property of a body which resists change in its motion
- 59. A statement of a possible outcome
- 61. in existence at the moment in time at which an utterance is spoken or written
- 62. An explanation of a phenomenon that is to be tested
Down
- 1. A statement of what you aim to achieve by doing an experiment
- 2. to show, using logic and mathematics, how a conclusion follows logically from certain given facts and principles
- 6. A phenomenon that occurs when the frequency of forced vibrations on an object matches the objects natural frequency.
- 7. You arrive at this after carrying out your experiment
- 10. The term used to describe a quantity that has no direction only an amount
- 11. Block of glass or other transparent material that disperses light to form a spectrum
- 12. Substance that allow some light to pass through
- 15. The evidence you collect as you conduct your experiment
- 19. Bending of light when it moves from one transparent material to another of different density
- 21. ____________ waves are vibrations that move back and forth in one plane
- 23. to be unsuccessful in an attempt (at something or to do something)
- 25. Mass*velocity
- 26. A chemical compound that conducts electricity from one electrode to the other inside a battery
- 28. the predominant theme or topic, as of a book, discussion, etc
- 29. A question or issue that needs to be solved
- 30. a way of acting or progressing in a course of action, esp an established method
- 35. A coil of wire that has an electric current flowing through it
- 36. A measurement of electric current flow
- 37. A type variable that you can change in your experiment
- 38. Occurs when light hits a surface and bounces off in a different direction
- 40. an arrangement of repeated or corresponding parts, decorative motifs, etc
- 41. The force due to gravity
- 42. When light shines on a black surface, all the colours are ____________.
- 43. Lines, bars, etc. used to relate two sets of numbers
- 46. Lens that is thicker at the edges than in the middle
- 50. A measure of how well something uses energy
- 51. a device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of photons from excited atoms or molecules.
- 53. Lens to make things look bigger
- 54. A circuit breaker is a ____________ that automatically turns off the flow of electricity when there is an overload.
- 56. The amount of energy in each sound wave
- 59. a particle of light; packets of energy
- 60. Electric current whose flow of charge is always in one direction is called ___ current.