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This is an activity about dinosaurs, fossils, and the work of paleontologists. Learners use hand tools (paint brushes, scoops, and sifters) to unearth fossil specimens in tubs of birdseed.

In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.

This is an outdoor activity designed to demonstrate evolution of feeding behavior in flocking, schooling or herding animals that maximizes allocation of food resources and enhances survival.

In this kinesthetic activity, learners move pom-pom "ions" across a membrane to simulate how an action potential is propagated along an axon.

In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.

In this simulation of synapses, learners act out communication at the neural level by behaving as pre-synaptic vesicles, neurotransmitters, post-synaptic receptors, secondary messengers and re-uptake

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity about neuron/target muscle recognition (page 44 of the PDF), learners arranged in two rows facing away from each other use string to simulate neural development.

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

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 fun group activity involving music and movement, learners are introduced to the idea that many insects walk by using their legs to create "alternating triangles." Learners sing the "Ants Go Ma

This activity (located on page 3 of the PDF under GPS: Farm Animals Activity) is a full inquiry investigation into raising livestock.

In this activity, learners investigate different types of bird beaks using household items which mimic different beak examples.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.

In this simulation activity, learners will raise a pack of wolves under ten different conditions: without human interference and with human interference.

In this activity, learners will train to improve lung, heart, and other muscle endurance as they walk a progressive, measured distance.

Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.

In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species.

In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.