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In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side. To make the effect more dramatic, cover the mirror with a cloth, climb onto the table, straddle the mirror, and then drop the cloth as you appear to "take off." This resource contains information about how this trick was applied during the making of the movie "Star Wars."

Subject:
Physics
Science
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Author:
California Department of Education
NEC Foundation of America
National Science Foundation
The Exploratorium
12/10/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object. Learners discover that the number of images reflected in the mirrors depends on the angle between the mirrors. Learners also observe that when they set the hinged mirrors on top of a third mirror, they create a reflector that always sends light back in the direction from which it came. Use this activity to introduce basic principles of light and optics including angle of reflection and angle of incidence.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
12/10/2020
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Problem solving is often guided by disciplinary frames of reference, which can restrict our ability to see other possibilities. This exercise uses object-based learning to underscore the idea that there is more than one way of analyzing and knowing the world, and that through multiple ways of knowing, we develop more complex understandings and new solutions. Through the process of critique, an essential part of visual-arts pedagogy, students practice analyzing and reflecting both individually and in groups.

Subject:
Arts and Humanities
Visual Art
Material Type:
Lesson Plan
Provider:
PBS LearningMedia
Provider Set:
RISD Steam
07/02/2018
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this activity, learners use gelatin as a lens to investigate the properties of laser light. Learners can view total internal reflection of a beam of light and investigate angles of reflection and refraction. Using different colors of gelatin demonstrates its color filtering properties. Use this activity to help learners explore light reflection and refraction, wavelengths, color, and lenses.

Subject:
Physics
Science
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
12/10/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
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Learners use two mirrors to explore how images of images of images can repeat forever. This resource includes a light-ray diagram to help learners understand what they are seeing -- images appear to be grouped in pairs with a front side always facing a front side and a back side always facing a back side. Learners can assist in assembling the Infinity Mirror or use one that has been pre-assembled.

Subject:
Physics
Science
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
12/10/2020
Conditional Remix & Share Permitted
CC BY-NC
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This is a lesson plan that introduces rotational and reflectional symmetry with geometric shapes, focusing on regular polygons. Notes (two copies: a student version and also an answer key, both as a Word doc and a PDF), assignment, and cut-out shapes are provided.

Subject:
Secondary Mathematics
Material Type:
Homework/Assignment
Lesson
Author:
Kimberly
02/07/2022
Conditional Remix & Share Permitted
CC BY-NC
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This is a lesson plan that introduces rotational and reflectional symmetry with geometric shapes, focusing on regular polygons. Notes (two copies: a student version and also an answer key, both as a Word doc and a PDF), assignment, and cut-out shapes are provided. There is a final project, with both instructions and an example included. Cover image: Christensen, K., 2022. Reflectional Symmetry of an Atom [screenshot] (Keynote presentation, Rotational and Reflectional Symmetry Assignment).

Subject:
Secondary Mathematics
Material Type:
Activity/Lab
Assessment
Diagram/Illustration
Homework/Assignment
Lesson Plan
Author:
Kimberly
03/09/2022
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this art meets science activity, learners pack silver, ball-shaped ornaments in a single layer in a box to create an array of spherical reflectors. Learners can use this as a tool to study the properties of spherical mirrors while creating colorful mosaic reflections. This is a great optics activity to use during the holiday season or any time of year.

Subject:
Physics
Science
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
12/10/2020
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This course covers the derivation of symmetry theory; lattices, point groups, space groups, and their properties; use of symmetry in tensor representation of crystal properties, including anisotropy and representation surfaces; and applications to piezoelectricity and elasticity.

Subject:
Mathematics
Material Type:
Full Course
Provider:
M.I.T.
Provider Set:
M.I.T. OpenCourseWare
Author:
Wuensch, Bernhardt