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Worksheet
Curated OER

Planes and Lines

For Students 9th - 11th
In this geometry worksheet, students identify the plane that passes through a point and define the theorem that represents parallel and perpendicular lines. There is an answer key.
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Lesson Plan
Curated OER

Soap Bubble Chemistry

For Teachers 9th - 12th
Students investigate soap bubbles. In this soap bubble chemistry lesson, students observe a demonstration using pop-it beads to represent a soap molecule. Students produce soap bubbles in the lab by making bubbles with a large bubble...