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In this activity on page 10 of the PDF, learners detect the amount of energy that can flow through a sodium chloride electrolyte solution with a light sensor.

Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.

Create gas with a glass of water, some wire, conductors and a battery! You will be separating water (H2O) into oxygen and hydrogen.

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