Curated OER
"Lighthouses"
Students listen to the book "Beacons of Light" by Gail Gibbons and identify the different characteristics and facts concerning lighthouses and their history. They examine the differences between fiction and non-fiction books and engage...
Exploratorium
Exploratorium: Science Snacks: Giant Lens
A discussion of how to make a refraction exhibit using a Fresnel lens. Consists of assembly instructions and a "To do and notice" section.
Other
Geometric Optics
This site provides a very brief definition to geometric optics, and includes links to related information.