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In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.