September 30

More Light and Color

Fourth grade scientists began lab with illusions.

Click here to learn how to make one of these at home.

After learning the difference between convex and concave, we noticed that our reflection was upside down on the concave side of a spoon and right side up on the convex side. Then we investigated mirascopes. The Mirascope uses two concave, parabolic mirrors, to create a holographic image. The images look completely real- but you can’t touch them! A small object placed on the bottom appears to be on top, but you can put your finger through it. My scientists had fun trying a variety of small objects. Click here for more information.

We investigated iridescence with centripetal spinners. Click here to learn more.

Posted September 30, 2018 by pbright2 in category Science

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