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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper.

Get all wrapped up in a lesson about skin!

In this activity, learners use a straight line to learn about circles. Learners measure and record the diameter and circumference of different sized cylindrical objects on a chart.

In this activity, learners explore Charles' Law in a syringe.

In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.

In this activity, learners will explore how the human brain interprets environmental stimuli.

In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

In this space science activity, learners explore transits and the conditions when a transit may be seen.

In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.