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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

This is an activity which will allow learners to gain an understanding of lemur behavior through observation and role play.

In this online activity about heart disease, learners will pick one of three patients (based on actual patient histories) and help a cardiologist diagnose and prescribe treatments for him or her.

In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.

In this lesson, learners are challenged to discover the relationship among six numbers.

In this activity, learners map their world by drawing a plan of their bedroom.

This activity explores what it means for a computer to be intelligent and introduces the topic of what a computer program is and how everything computers do simply involves following instructions writ

In this activity, learners sample a star field to estimate the number of stars in the universe.

This activity is a sensory experience that recreates the sounds of a pond at night.

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

Learners draw pictures of how they envision scientists. By comparing and discussing the features in their pictures, they can discover common thoughts and stereotypes about scientists.

In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.

In this activity, learners will explore trends in shark populations using shark landing data from the National Marine Fisheries Service.

This activity (page 2) draws upon a familiar, computer-based concept related to visual resolution: pixilation.

In this activity, learners will train to develop upper and lower body strength in their muscles and bones by performing body-weight squats and push-ups.

In this activity, learners train to increase muscular strength and improve upper and lower body coordination by performing the “bear crawl” and the "crab walk.” Learners perform the exercises over tim

This quiz lets you estimate your annual radiation exposure.

In this activity, learners will observe birds in their backyard or local park. They will attempt to find common Ohio birds and will look for bird behaviors just like an ornithologist.

In this activity, Christina Elson, an archaeologist from the American Museum of Natural History, guides learners as they investigate an "artifact" and record their observations in a field journal.

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