- Water “Digs” It!
Make a model of how water changes our land.
- Disappearing Statues
See how acid rain eats away at hard materials.
- Magma – All Gassed up to Go!
Find out why gases in magma can make a volcano blow its top.
- Let's Settle the Matter
Look closely at soil particles in water to learn about sediment.
- Ground Breaking Idea
Compare how different types of soil erode.
- Get the Dirt on Soil
See what makes sand soil different from potting soil.
- Gases – Expanding Possibilities!
Learn how heat causes air to expand.
- Convection: A New Direction
Discover what causes magma to move deep within the earth.
- Caves – the Hole Story!
Use sugar cubes, clay, and flowing water to make your own little cave.
- Soil Sizes – Some Surprises!
Compare the rate different types of soil sink in water.
- Rain and Drain
See how quickly or slowly water flows through different types of soil.
Make a baking soda and vinegar volcano to model an eruption.