Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free
Exploratorium: Critical Angle ActivityExploratorium: Critical Angle Activity
Publisher
Exploratorium
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
3rd - 8th
Subjects
Science
2 more...
Resource Types
Activities & Projects
1 more...
Audiences
For Administrator Use
2 more...
Instructional Strategy
Independent Practice
Lexile Measures
1170L
Activity

Exploratorium: Critical Angle

Curated by ACT

Students can see light reflected and refracted in this demonstration. They will also discover the total internal reflection of light.

3 Views 2 Downloads

Concepts

angle of incidence, angle of refraction, fiber optics, light waves

Additional Tags

angle of reflection, critical angle, incident beam, optical fibers, reflected beam, reflected light, reflection light, refracted beam, total internal reflection, exploratorium, reflection of light

Classroom Considerations

  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice

View 4,278 other resources for 3rd - 8th Grade Physical Science

© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use