Life is only a reflection of what we allow ourselves to see. The lesson includes three experiments on light reflection, light refraction, projection, lenses, and optical systems. Each experiment builds off the ones before and...

An activity for making a telescope using a cardboard tube and two lenses. Accompanied by an explanation of how the telescope works, and a link to an article about lenses.

This site has an activity to make a hand-held telescope. "The Hubble Space Telescope that's orbiting Earth right now is the size of a school bus, but you can make a model of it that you can hold in your hands!"