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In this activity about vision and optical illusions, learners conduct a simple test to demonstrate how our eyes create "afterimages." Learners stare at a black cardboard bat for at least 30 seconds an

This game uses a modified Uno deck to review concepts related to stem cell research and diabetes.

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this simulation, learners act out each digestive function of the organs, tissues, and cells in the digestive tract.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

In this activity (26th on the page), learners construct an easy-to-build device and test motor learning.

In this activity, learners investigate procedural memory.

In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.

This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

This laboratory exercise is designed to show learners how DNA can easily be extracted from wheat germ using simple materials.

An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.

In this data activity, learners will explore shipwrecks from four National Marine Sanctuaries on the West Coast of the United States.

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 biology activity (page 6 of the PDF), learners roll a die to create a simple model that teaches them about the factors contributing to heart disease.

In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

This activity is a whole-group kinesthetic demonstration that shows learners what it means to be in a "risk group" for developing heart disease based on family history and genetics.

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!