6.02 Faster Than the Speed of Light
Presentation
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Science
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4th Grade
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Practice Problem
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Easy
Standards-aligned
Brittany Hines
Used 18+ times
FREE Resource
10 Slides • 4 Questions
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6.02
Faster Than the Speed of Light
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How does the sun's light make it all the way here to Earth?
The sun's light travels. It moves from point A, the sun, to point B, the Earth.
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Light Travels
All light travels, even the light from your lamp. Light moves really, really fast. It's the fastest thing in the universe.
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Light Travels
Light travels in straight lines.
It moves out of its source and travels along until it hits something else.
A ray is the straight path light travels.
A bunch of rays grouped together is called a beam.
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Multiple Choice
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Think About It!
Imagine traveling around Earth seven and a half times in one second, that is how fast light travels! This is why light appears to instantly fill a room when you turn on a lamp and why you can see when someone turns on a flashlight even when they are far away.
Light is emitted in all directions from its source, which is why so much of the Earth receives sunlight at one time.
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Light Travels
Light can move through a few objects fairly easily. We call an object like this a medium, which is a fancy word for material. If you have more than one medium, we call them media—not mediums.
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Air, water, and glass are examples of different media that light can travel through. Different materials or media have different properties, which means they interact with light differently. In most cases, when light moves from one medium to another, the light changes direction.
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When light strikes...
When light strikes an object or surface, one of three things will happen to it. What happens to it depends on whether the object it strikes is transparent, translucent, or opaque.
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When light strikes...
Transparent: light will all pass through
Translucent: some of the light will pass through
Opaque: none of the light will pass through
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Multiple Choice
This is an example of ........
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Multiple Choice
This is an example of ......
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Multiple Choice
This is an example of ........
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REMEMBER
Nothing else in the universe moves quite like light. It is the fastest thing scientists have ever discovered, and it can only travel in straight lines. It passes through some media and is absorbed and reflected by others. Light can either pass through transparent objects or be absorbed and reflected off opaque objects. Only some light passes through translucent objects.
6.02
Faster Than the Speed of Light
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