We made a microscope from a laser pointer shining through a drop of pond water. You can see single-celled microbes, as the water drop operates as a lens, which focuses the shadows of the microbes inside the drop, as the laser shines through the drop.
We learned of this experiment through an instructional video done by The Happy Scientist. (thehappyscientist dot com) Please visit this website for this for other fantastic science experiments!
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