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20 Cards in this Set
- Front
- Back
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What does light mean |
A form of energy which travels in waves |
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What does light waves mean |
The way light travels |
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Which direction does light travel in |
In a straight line |
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What does reflection mean |
Where you look in something and you can see yourself in it |
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What are some light sources |
Sun, torch, fire, battery |
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What CAN'T you see through |
Opaque objects |
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What do you create when you shine a torch at an opaque object |
A shadow |
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True or false, a shadow will get larger when you shine a torch closer to an opaque object |
True |
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What do you see light through |
Your eyes |
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Is it possible to split white light |
It is possible because of the refraction in the glass prism |
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Who invented spectrum |
Sir Isaac Newton |
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What does refraction mean |
When something bends |
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Which tool can be used to separate white light in to different colours |
A glass prism |
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The colours that make up white light are called..... |
Visible spectrum |
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What do light rays do as they pass from one transparent object to another |
They bend |
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What does lens do |
Reflects light |
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Reflection happens when light strikes and then ..... a surface |
Bounces off |
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The law of reflection involves two light rays what are they |
Incoming and outgoing |
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What three things can light travel through |
Air, water and outer space |
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What is the material which light can pass through but will be scattered in different directions |
Translucent |
