A beam of light travels at about 186,000 miles per second. That is equal to over seven times the distance around the earth in just one second! But what exactly is light? We know it when we see it, and we also know that we could not see without it, but that doesn’t tell us what it is.
In these experiments we will learn about the nature of light, and hopefully better understand just exactly what it is.
Explanation:
Light rays travel in straight lines, away from the light source. These next two experiments show how distance from a light source affects the appearance of those rays.
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Light
A beam of light travels at about 186,000 miles per second. That is equal to over seven times the distance around the earth in just one second! But what exactly is light? We know it when we see it, and we also know that we could not see without it, but that doesn’t tell us what it is.
In these experiments we will learn about the nature of light, and hopefully better understand just exactly what it is.
Explanation:
Light rays travel in straight lines, away from the light source. These next two experiments show how distance from a light source affects the appearance of those rays.