Light and Sound
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The distance between one crest of a sound wave and the next is the | wavelength
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| The waves of loud sounds have a greater _____________________than those of soft sounds. | amplitude
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| Objects _________________when they shake back and forth quickly. | vibrate
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| The loudness/softness of a sound is its__________________. | volume.
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| The __________________of a wave measures how many waves pass in a given amount of time. | frequency
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| The __________________ of a sound describes how high or low it is. | pitch
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| Sound is a form of _____________________________that travels in waves | energy
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| Sound will travel fastest through what medium? | solid
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| Sound cannot travel through this. | empty space
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| The function of the _____________ ______________ is to collect and funnel sound. | outer ear
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| You can “feel” sound because of ____________. | vibrations
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| There are three bones in the middle ear. They are known as the | hammer, anvil and stirrup
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| On a diagram of a sound wave, the top of the wave is the | crest
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| On a diagram of a sound wave, the bottom of the wave is the | trough
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| On a diagram of a sound wave, the measure from the resting point to the crest is known as the | amplitude
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| A unit of measurement for sound is | decible
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| What sould you change to lower the pitch of a sound wave? | frequency
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| Material that allows light to pass through is ____________. | transparent
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| When light waves bounce off an object, they __________. | reflect
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| A material that blocks light is ____________. | opaque.
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| When an object blocks light, it creates a ________________. | shadow
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| An object that lets some light through but scatters it in many directions is _____________. | translucent
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| To bend light is to _________ it. | refract
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| Something that seperates white light into colors is a________. | prism
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| A ________ is a piece of curved glass, plastic or other material that refracts light. | lens
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| A ______________lens bends light rays outward. | concave
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| A ______________ lens bends light rays inward toward a focal point. | convex
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| When light passes through a prism, colored bands exit the prism in _________________. | one order only-ROYGBIV.
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| ROYGBIV is the acronym for ___________________. | The bands of color from a prism: Red, Orange, Yellow, Green, Blue, Indigo and Violet.
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| If you shine a red light on a blue shoe, it will look ___________. | black
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| If you shine a red light on a red shoe, the shoe's color will look _________________. | red
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| What do water droplets in a rainbow act like? | prisms
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| Why does a bike's shadow have the shape of the bike? | The bike blocks the sunlight.
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| Why does the volume of a sound decrease as it move farther away from its source | The energy in the wave becomes more spread out.
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| What happens if you shine a flashlight on a mirror in a dark room? | The mirror reflects the light back to you.
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| What is the job of the inner ear? | It receives vibrations that trigger nerve cells to signal the brain.
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| I need eyeglasses to make things that are close up look clear. What types of lenses should be in my glasses? | convex
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| You can see yourself in a smooth mirror. You don’t see yourself in a crumpled piece of aluminum foil because the light is | scattered
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| Piano strings of different thicknesses and lengths produce different___________________? | pitches
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| A microscope makes objects look larger than they actually are. What kind of lens does it contain? | concave
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