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# Refraction

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Practice Refraction
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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.
• Read

## Refraction

by CK-12 //at grade

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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• Read

## Refraction of Light

by CK-12 //at grade

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

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• Video

## Snell's Law

by CK-12 //at grade

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

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• Video

## Refraction

by CK-12 //at grade

Provides a thought experiment to explain refraction.

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• Video

## Rainbows

by CK-12 //at grade

The physics of rainbows are explained.

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• Video

## Speed of Light in Glass

by CK-12 //at grade

An explanation of how refraction works.

1
• Video

## Why is it Dark at Night?

by CK-12 //at grade

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

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• Practice

## Refraction Practice

by CK-12 //at grade

Practice Refraction questions

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• Downloadable Quiz

## Refraction Quiz - PPB

by CK-12 //at grade

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.

0
• Downloadable Quiz

## Refraction of Light Quiz

by CK-12 //at grade

Reviews light refraction and Snell's law.

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• Critical Thinking

## Refraction Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Refraction.

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• While Reading

## Refraction of Light

by CK-12 //at grade

This is an activity for students to complete while reading the Refraction of Light Concept

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• Real World Application

## Fish Hunting

by CK-12 //at grade

Learn how to hunt fish using only a spear.

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• Real World Application

## Light Pipes

by CK-12 //at grade

Discover how information is transmitted through light.

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• Simulation

## Bending Light

by CK-12 //at grade

Shows how light bends when it goes through different media.

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• Study Guide

## Geometric Optics Study Guide

by CK-12 //at grade

This guide looks at geometric optics: reflection, refraction, Snell's law, total internal reflection, ray diagram, real and virtual images, mirrors, and lenses.

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