Light
Light 2
Light 3
Light 4
Challenge
100
Light is a form of energy called ______________.
What is radiant energy?
100
the path of light as it travels
What is ray?
100
____________is stored energy from the sun.
What is fuel?
100
lubstances that let light pas through and can be clearly seen through
What is transparent?
100
If you hold a book to a mirror the words are
What is backwards?
200
The light we can see is called
What is visible light?
200
the study of light
What is optics?
200
sunlight is part of the earth's ____________ cycle.
What is water?
200
Materials that let light pass through but cannot be clearly seen through
What is translucent?
200
uses: If, then, because
What is hypothesis?
300
transparent object used to separate light
What is prism?
300
objects that make their own light
What is luminous?
300
when light comes from something in nature we call it _______________ _____________.
What is natural light?
300
Materials that do not let light pass through
What is opaque?
300
to foretell what might happen
What is predict?
400
area of darkness that forms behind an opaque item
What is shadow?
400
every living thing on the planet depends on __________
What is sunlight?
400
when light comes from some human activity, as in an electric light b ulb or candle, it is called _____________ ______________.
What is artificial light?
400
This type of light comes from the sun
What is ultraviolet?
400
On cell phones and emails tiny glass _______-________ cables carry your message as ____________ of light.
What is fiber-optics, pulses?
500
uses: If, then, because
What is hypothesis?
500
object passing thru the shadow of another object
What is eclipse?
500
light acts upon the _________ and ___________ of the eye.
What is optic nerve and retina?
500
change wave direction as it bounces off a surface
What is reflection?
500
Light travels at ______________mps.
What is What is 186,000?
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