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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

In this activity, learners explore how polarizing sunglasses can help diminish road glare.

In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.