Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

Monthly Update sign up
Mailing List signup
Search
MENU
Teacher's Lab
The Science of Light
Funhouse MirrorsIntroductionLight in ColorLaws of Light
 
 

background

We're used to regular mirrors: Flat mirrors, mounted on a vertical surface. But when they're tilted—or better yet, curved—mirrors can show us things we might not expect.

For example, here is what Melissa looks like in a regular mirror:



But when she looks in two curved mirrors, this is what she sees:

shortshortshort longlonglong

Now, these two mirrors have gentle curves, but one is concave and the other is convex. Here are side views:

concave
Concave
convex
Convex

Before you go to the next page try to figure out which image goes with which type of mirror. Choose one of the possibilities:

Theory 1: The concave mirror makes you tall, while the convex mirror makes you short.

Theory 2: The convex mirror makes you tall, while the concave mirror makes you short.

 
 

© Annenberg Foundation 2014. All rights reserved. Legal Policy