what can light do
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What Can Light Do?
1st Grade
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LightLight
► Light is a kind of energy.Light is a kind of energy.
Light from the sun lights up the
world around us.
Lamps give off light…
and fire, too!!
Light lets us see.
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Light can move…Light can move…
► It can pass through It can pass through clear objects.clear objects.
► It passes through It passes through glass.glass.
WHAT IS THE
MAIN THING LIGHT DOES
FOR US?
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SHADOWSSHADOWS
► A shadow is a dark place made when an A shadow is a dark place made when an object blocks light. object blocks light.
► When can you see many shadows?When can you see many shadows? Sunny daySunny day Cloudy dayCloudy day Rainy dayRainy day
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Lesson ReviewLesson Review
► Light is a kind ofLight is a kind of HeatHeat EnergyEnergy ParticleParticle
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VOCABULARYVOCABULARY
► Use the words Use the words lightlight and and shadowshadow to to telltell about about this picture.this picture.
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Do you think all things can Do you think all things can make shadows?make shadows?
►YesYes►NoNo
Clear things don’t make shadows because Clear things don’t make shadows because something clear doesn’t block light.something clear doesn’t block light.
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Name something that light Name something that light could pass through.could pass through.
► Tell Tell why why you think you think it could.it could.
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What are some things that give What are some things that give off light?off light?
► The sunThe sun► FireFire► Light bulbsLight bulbs► FlashlightsFlashlights► All includedAll included► Not includedNot included
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What causes a shadow?What causes a shadow?
► The blocked light.The blocked light.► Sunlight passes Sunlight passes
through an object.through an object.► Not included.Not included.
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How does light help us?How does light help us?
► Gives us heat.Gives us heat.► Light helps us see.Light helps us see.► Not included.Not included.
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What can light do?What can light do?
► Light can pass Light can pass through some through some materials.materials.
► Light can form Light can form shadows.shadows.
► All includedAll included► Not includedNot included
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Why do you think some cars Why do you think some cars have dark tinted window glass?have dark tinted window glass?
► So they look awesome.So they look awesome.► The tinted glass blocks out some light.The tinted glass blocks out some light.► Not included.Not included.
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What difference does the What difference does the tinted tinted windowswindows make make insideinside the car? the car?
► Darker and coolerDarker and cooler► Lighter and warmerLighter and warmer► Not includedNot included
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ShadowsShadows
►Why do you see many shadows on a Why do you see many shadows on a sunny day?sunny day?
►Why can’t you see shadows on a dark Why can’t you see shadows on a dark night?night?
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Observe the photograph.Observe the photograph.
► What light source is What light source is being blocked?being blocked?
► What objects are What objects are blocking the sun to blocking the sun to make shadows? make shadows?
► What other things What other things might you see might you see outdoors that create outdoors that create shadows?shadows?