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| how high or low the sound seems |
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| all sound waves begin with a |
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| Sound waves are mechanical waves that require a__________________ to travel |
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| travel in the same direction as the vibration |
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| sounds waves with a low frequnecy have a |
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| sound waves travel fastest in solids and slowest in |
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| loudness can be measured by a unit |
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| a term used to describe your awareness of the energy of sound |
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| the amount of energy a sound wave carries per second |
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| sound waves with high frequency have a |
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| a _______________ object reflect all light |
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| Wight light is a mixture of all the colors in the |
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| When white light shines on an object the colors are reelected and/or |
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| what are the seven types of waves found on the electromagnetic spectrum? |
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Definition
| radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays. |
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| What are the 3 types of mirrors |
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Definition
| plain, concave, and convex |
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| Which type of mirror curves inward and reflects the image upside down |
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Definition
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| When looking into a mirror what is the focal point? |
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Definition
| location at which rays parallel to the optical axis reflect and meet |
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| The change in frequency of the sound wave in relation to an observer is |
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| made up of vibration electric and magnetic fields that can move through space at the speed of light. |
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Definition
| have shorter wavelengths and high frequencies than radio waves |
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Definition
| electromagnetic waves with wavelengths short than those of microwaves |
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Definition
| wave have shorter wavelength and hight frequencies than infrared rays |
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Definition
| have a higher frequency than visible light and have more energy. |
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Definition
| have wavelengths shorter then ultraviolet rays |
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| shortest wavelengths and highest frequencies |
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| you can see through such as a window or plastic wrap |
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| you can see through but it will be blurry |
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