In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: Through what can mechanical waves travel?Answer: , liquids and gases. Question: How are waves created?Answer: a source of energy causes a vibration to travel through a Question: what direction does a transverse wave ?Answer: travels perpendicular- and troughs Question: what does a longitudinal wave travel?Answer: compressions and rarefractions Question: What direction does a wave travel?Answer: both parallel and Question: When a surfer rides an ocean wave on her , she is actually riding on a what?Answer: crest Question: What is the of a wave?Answer: the time it takes for a wave to complete one ? Question: what are the two formulas for the of a wave?Answer: wavelength x frequency
wavelength/ Question: how do you the amplitude of a transverse wave?Answer: from is rest to a crest or trough. Question: how are amplitude and energy ?Answer: the more a wave has the greater the amplitude. Question: what is the term that when a wave strikes a barrier and bounces back?Answer: . Question: How is reflection different from and diffraction?Answer: reflection does not the wavelength, amplitude or frequency Question: does the light strikes a new medium affect refraction?Answer: Question: what causes the most ?Answer: if the wavelength is too large to the opening or obstacle? Question: What is the difference between constructive and destructive ? Answer: : creates a larger displacement
destructive: creates a wave with a smaller displacement. Question: how is a wave formed?Answer: only if half its or a multiple half fits exactly into the length of a vibrating cord. Question: what type of wave are waves?Answer: longitudinal Question: which medium does sound the fastest in?Answer: solids. Question: how does a work?Answer: the distance is using the speed of sound in water and the time that the sound waves takes to reach and the objects take to return. Question: what is and what does it do to sound?Answer: resonacnce is the response of two sound waves of the same . is use to create dramatic sound. Question: what is the effect?Answer: as the from a sound source increases, the intensity increases. Question: which part of the ear sound?Answer: the ear. Question: how do electromagnetic vary?Answer: how they're produced and how they . Question: how do you frequency of an electromagnetic wave?Answer: speed/ wavelength. = 3.00 x10^8 Question: how does behave as a wave?Answer: has constructive and destructive . Question: how does light as a particle?Answer: uses - packets of electrons. Question: What color has more red or blueAnswer: blue. Question: What happens to intensity as you move away from a source?Answer: it . Question: what is the full range of frequencies of electromagnetic radiation Answer: electromagnetic . Question: name the electromagnetic spectrum in order of increasing . Answer: radio waves, microwaves, radiation, visible light, uv ray, x rays gamma rays. Question: cell use what type of wave?Answer: radio Question: how do bones look on Answer: Question: how does soft look like on x raysAnswer: dark Question: how does interact with transparent material Answer: it is Question: how does light interact with materialAnswer: it is Question: how does interact with opaque? Answer: it is absorbed or Question: what occurs when light wave when its goes through another medium?Answer: reflected, absorbed or Question: what is of light?Answer: the of white light separating into color. Question: how can dispersion happen in the ?Answer: raindrops, the drops act like a so when the light enters it slows down and refracts. Question: what determines the color of an ?Answer: what is it made of and the of light that strikes it. Question: why do blue and combine to produce white light?Answer: because the are complementary of light? Question: what are the colors of pigments, and what do the produceAnswer: cyan, , and yellow- produce any other color Question: what are the primary colors of Answer: green, red and blue- create all colors Question: what if a atom gains or looses and electronAnswer: a net charge. Question: what determines the of an electric field?Answer: the of charge
the distance from the charge Question: what are the three ways a can be transferred?Answer: - Graff sphere, induction placing your hand around a doorknob but no contact- and friction- rubbing your hair on a balloon. Question: what type of is produced by a battery?Answer: an Question: what is the difference between a parallel and circuit?Answer: parallel; can still operate if one stops
series: cannot function if one element stops Question: what is a ?Answer: a material that makes easier to flow.- metal/copper Question: what is a ?Answer: a material that does not charge well- rubber and wood Question: what affects the resistance of an Answer: thickness, temperature and Question: what produce the lowest resistanceAnswer: a thick, cool and wire Question: a , hot, long would produce whatAnswer: lots of . Question: what is the in electrical potential energy between two places in an electric filed is known as?Answer: potential / voltage Question: what is maintained across the of a batteryAnswer: a drop. Question: what is ohms Answer: v= r x Question: what is the unit for powerAnswer: watts Question: what is the unit of electrical ?Answer: kilowatts Question: what is the equation of electric Answer: E= current x Question: what is the current for electrical Answer: ee= power x Question: what are 5 of electrical safety?Answer: correct wiring, , fuses, circuit breaker and three prong plug. Question: how does a gfcl Answer: it monitors currents flowing and from an appliance Question: what is a signal?Answer: produced by a voltage and current Question: what is a digital ?Answer: encodes information as a of 1's and 0's Question: what is a tube used for?Answer: strength signals
change alternating currents into direct currents
turning on and off.. Question: what is a ?Answer: a solid that only conducts certain conditions Question: what is a -ray tubeAnswer: it controls the strength and position of the to produce images. |
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