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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu

In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.