Curated OER
Making a Periscope
Young scholars experiment with a simple periscope to see how it reflects light. They draw a diagram of the path a ray of light follows as it travels from an object, through the periscope, and into your eye.
Curated OER
Geometry: Practical Applications of the Distance Formula
Learners, working independently and in groups, apply the distance formula to practical situations. After solving various problems, students in pairs design coordinate planes from the school blue print to measure the distance from the...
Curated OER
The KAO Telescope
Students explore the basic principles of the operation of the NASA's KAO telescope. They construct a simplified model of it using film canisters and other everyday objects. Step by step directions are included in plan.
Curated OER
Kaleidoscope of Color
Students study the history of the invention of the kaleidoscope by Sir David Brewster. They create a kaleidoscope using art supplies.
Curated OER
Pinhole Viewer
Students make a pinhole viewer to demonstrate how it inverts light passing through it which produces inverted images.