Showing posts with label QUESTIONS. Show all posts
Showing posts with label QUESTIONS. Show all posts

attempt the following question



1.      how is wavelength determined for a longitudinal wave

2.      do ocean waves transport objects that float toward the shore
3.      a sound that measures 30 decibels is how many times louder than the human threshold of hearing?
4.      sound waves are longitudinal, mechanical, compression waves.
5.      when the source of a sound is moving, its speed increases.
6.      the amount of diffraction that occurs when a sound wave encounters a barrier depends on the wave's
7.      the pitch of a sound is determined by its wavelength and speed together or its alone

8.      type of mechanical wave in which the energy runs at right angles to the wave
9.      a wave that is caused when energy causes a vibration thru a medium
10.    the densest area in a longitudinal wave where the particles are close together
11.    area in a longitudinal wave in which the particles are spread out
12.    the material through which a mechanical wave travels
13.    the area in a longitudinal wave where the particles are close together

14.    temperature, salinity and density are factors that form

15.    the distance a single wave crest or trough travels in a set amount of time is a measure of the

16.    the area of a compressional wave where the medium is more spread out
17.    what happens to a rubber ducky sitting on the water surface when waves pass by?
18.    how do wind-generated waves develop and travel to shore?
19.    the quality of the sound that is most closely linked to the amplitude of the sound wave
20.    the quality of the sound that is most closely linked to the frequency of the sound wave.
21.    the denser areas in a sound wave are called _____.

22.    the energy transferred by electromagnetic waves is called
23.    the term for the ordering of music through time is

a substance is made up of slow moving particles that have very little space between them

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which step will decrease the pressure of a gas inside a closed cubical container?

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a typical star burns helium for about the same amount of time it burns hydrogen.

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carbon will be the last, heaviest element formed in stage 11 by our sun.

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what made supernova 1987a so useful to study?

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the total energy emitted by the brightest nova explosions is about

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a "nova" is the event that creates a planetary nebula.

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what do they think would happen to stars more massive than the maximum mass limit?

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how do high-mass stars make it more difficult for a molecular cloud to form more stars?

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the energy released by ____________ dwarfs that released by ____________ .

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compared to the sun, a white dwarf star is

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why does energy transport change to convection at around 71% of the sun's radius?

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outline the process by which energy is produced in the sun's interior

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einstein’s equation e = mc2 helps scientists understand the sun’s energy because the equation

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a small hot extremely dense core left after a star collapses

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during the main sequence stage how is energy generated in a star's core

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