Solve Real-World Soil Science Problems With Math
Learn the secrets to good soil and what helps plants grow. Then use science and math to analyze dirt and develop your own custom blend.
Investigate Biodiversity As You Design A Frog
Design a frog species of your own as you learn about the many ways frogs and toads adapt to their environment.
Experiment With Bumblebee Static Electricity
Bumble bees create and feel the buzz of static electricity, and you can too. Use simple household items to investigate static charges.
What Do Volcanoes Sound Like? Make Your Own Volcano Kazoo
Make a straw kazoo and model real volcano sounds! Explore waveforms and infrasound, learn how scientists predict eruptions, and create your own volcanic sound effects.
Scale Solar System Orbits—And Satellites!
Use planetary orbits and scale ratios to plan flight paths to other planets.
Engineer A ‘Filter Feeder’
Build and test a water filter inspired by marine filter feeding organisms.
Simulate Net Forces to Predict an Object’s Motion
Use a simulation from PhET Interactive Simulations to model force in a tugging competition and a pushed skateboard.