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In this archaeology activity, learners consider ways in which excavating an underwater site is different from excavating a terrestrial site.

In this water activity, learners discover ways to move water across the water table.

In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

In this activity, learners make a barometer, an instrument to measure change in air pressure.

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.

In this physics activity, learners build their own rockets out of film canisters and construction paper.

In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.

In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.