Projectors

Description: Build and test a simple projector

Prerequisite: 50 pts of concept work on lenses

Time: Approximately two class periods to build, test, and modify/improve the projector

Worth: 100 points

Materials:
 * There are many websites you can check for this

Assessment
 * The projector must be strong enough to move easily without breaking
 * It should project an image (possibly on an overhead transparency) onto the wall. Someone sitting in the middle of the room should be able to clearly recognize the image