Chemistry
Acid-Base Solutions
Compare strong and weak acids and bases in solution.
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Pendulum Lab
Explore how length, mass and gravity affect a pendulum's period.
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Simulation by PhET Interactive Simulations, University of Colorado Boulder. LearnHive curates the catalog and supporting study material.
Quick start
- Set the pendulum's length and starting angle.
- Release it and use the stopwatch to time the period.
- Change length or mass and compare periods.
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Math
Area Builder
Build shapes to explore area and perimeter.
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Area Model Algebra
Multiply polynomials using an area model.
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