Refraction of Light

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Objective

I can predict the direction light will bend when moving between materials with different refractive indices.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Explain why light bends when it passes from air into glass.

2

Draw a simple ray diagram showing a light ray entering a rectangular block of glass at an angle. Include the normal lines, incident ray, and refracted ray. Indicate which direction the light ray bends.

Part 3 of 3

Exit ticket

Quick comprehension check

Light travels from air into water. Will the light bend towards or away from the normal? Light travels from glass into air. Will the light bend towards or away from the normal?

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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