You can create your own mini flashlight.
In this module, the idea is to put students in a similar situation as the one faced by astronomers when mapping the universe.
What causes a material to be magnetic?
How does a windmill create electricity
Do all objects fall at the same rate, regardless of weight or size?
New Milford (N.J.) High School students explain how they used MIT OpenCourseWare to learn how to code and create games.