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Lesson Plan
Curated OER

Making a Pinhole Camera

For Teachers 2nd - 4th
Students are introduced to the basic straight line pattern of travel that light takes. A cereal box and wax paper provide the pinhole camera that captures the light's inverted image. Shifting this pattern provides additional challenges.
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Worksheet
Curated OER

Black Holes-The Event Horizon

For Students 9th - 12th
In this black hole activity, learners read about the three parts to a black hole including the Event horizon, the interior space and the singularity. Students solve five problems which involve using a given formula for the Schwarzschild...
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Worksheet
Curated OER

Black Holes and Tidal Forces

For Students 8th - 10th
In this black holes and tidal forces worksheet, students solve 5 problems in which they find the tidal acceleration and answer questions about spaghettification.