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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

In this activity, learners build their your own seismograph with household materials to document shaking.

In this activity, learners make different shapes that hold exactly one mole of gas (air).

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.