Search Results

In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.

In this activity about depth perception, learners create an optical illusion in a shoe box.

In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.