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Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.

From the Weather Watchers featured theme on the CYBERCHASE website. Learners will conduct experiments to discover how air temperature and humidity work together to make condensation, dew, and fog.

In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

In this activity, learners explore clouds and how they form.

In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much wat

In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar.

In this activity, learners build a sled kite that models a type of airfoil called a parawing.

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

In this activity, learners make acid/base indicator paper, place the indicator paper on an anthill, disturb a bunch of ants, and then observe what happens!

In this activity, learners work in pairs to measure each other's ankles with lengths of string.

In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this chemistry demonstration, acid rain is simulated in a petri dish.

What does it mean to be alive? Is a cactus alive? Is a seed alive? Is the air we breathe alive? What are the necessary characteristics?

By participating in a seed scavenger hunt, learners examine many adaptations of seeds, including how many seeds a plant makes, how those seeds travel to new locations, and what protects them from pred

This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.