The lessons are so well written and match many of the benchmark targets in our district and our national standards for math and science in Texas.

- Science Coordinator, Houston, TX

August 2018 Editor's Pick

Designing Harmonic Timing Devices: Ready, Set, Escape

Ready, set, escape! In this open-ended design activity, students are challenged to create a simple yet accurate timing device that measures a period of exactly three minutes in order to enable a hypothetical prison escape. Constrained with limited supplies, students ...

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