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Refraction

When light passes from one material to another it can change its angle of travel based on the new material.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Refraction

Students will learn why light refracts when entering different substances like water, glass, etc. and how to calculate the angle of refraction using Snell's Law.
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3

Refraction of Light

Considers the refraction of light, Snell’s Law, the index of refraction, and angles of incidence and refraction.
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• Interactive Simulations

Least Time

Understand why a ray of light passes from one point to another in such a way that the time taken is a minimum which indeed results in the law of refraction.
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• Interactive Simulations

Diamond Cut

Learn about refraction, reflection, and total internal reflection in the context of a light ray passing into and out of a diamond.
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• PLIX

Color: Light in a Prism

Refraction Interactive
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• PLIX

Refraction: Light Entering Water

Refraction Interactive
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• PLIX

Refraction Slider

Refraction Interactive
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• PLIX

Band Gap

Refraction Interactive
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• Video

Snell's Law

Explains Snell's Law and how to solve a standard physics Snell's law problem.
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• Video

Refraction

Provides a thought experiment to explain refraction.
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• Video

Rainbows

The physics of rainbows are explained.
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• Video

Speed of Light in Glass

An explanation of how refraction works.
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• Video

Why is it Dark at Night?

Real world application of knowledge of scattering and refraction of light.
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• 0

Refraction Quiz - PPB

Calculate index of refraction of different substances based on their angles of refraction, and vice versa. Explain why light looks bent when it travels through different media.
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Refraction of Light Quiz

Reviews light refraction and Snell's law.
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• Critical Thinking

Refraction Discussion Questions

A list of student-submitted discussion questions for Refraction.
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• Real World Application

Fish Hunting

Learn how to hunt fish using only a spear.
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• Real World Application

Light Pipes

Discover how information is transmitted through light.
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• Study Guide