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In this exercise (Activity #2 on page), learners test their distance vision to evaluate their overall eyesight.

This is an activity (located on page 3 of the PDF under Stained Glass Activity) about nanotechnology making its way into everyday products, such as sunscreen, and how effective these invisible particl

In this activity, learners examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.

In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.

In this activity, learners examine their tongue and taste buds.

In this activity (on page 2) about fingerprint analysis, learners use graphite from a pencil and scotch tape to capture their fingerprints.

In this activity, learners explore their eye pupils and how they change.

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.

This activity teaches combustion as the interaction of a fuel source and oxygen.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.