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This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.

In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.

This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.

In this activity, learners bake cookies by following different recipes to better understand genetic mutations. Everyone in the group bakes the same type of cookie: chocolate chip.

In this outdoor fall activity, learners find out what living in or under a layer of leaves is like.

In this set of outdoor games, learners play the role of monkeys that are trying to get enough resources (food, shelter, and space) to survive.

In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

In this math lesson, learners apply the concepts of ratio and proportion to the capture-recapture statistical procedure.

This activity (located on page 4 of the PDF under GPS: Baby Dinosaurs Activity) is a full inquiry investigation to determine the age of fossils based on where they are discovered.

In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi