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Water Quality and pH Levels in Aquatic Ecosystems
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In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and identify e

Forward-Reverse Switch
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In this activity, learners build a switch to turn electrical circuits on and off.

Flashlights and Batteries
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In this activity, learners explore how a flashlight works, showing the electric circuit and switch functions of this everyday household item.