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Big Idea: Wind, water, and ice change the shape of the land.

Earthworms living in healthy black soil

Healthy Soil

Lessons

Students will explore the composition and characteristics of different local soils and learn about what makes soil healthy.

Hands holding soil and a small plant

The Dirt on Soil Conservation

STEM Explained

If I asked you to name a few things that all life on the planet couldn’t live without you could probably come up with some good answers, but I bet you’d never think to say dirt.

Scoop of potting soil

What is Soil?

Backgrounders

Learn about soil, soil texture and the various layers of soil.

hand holding soil

What is soil made of?

Lessons

Students will explore the composition and characteristics of different local soils and learn about what makes soil healthy.

What makes soil hard and compacted?

What makes soil hard and compacted?

Hands-on Activities

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

Wooden sieves

Design & Build a Soil Sifter

Lessons

Students will work collaboratively to design and build a sifter that separates soil according to particle size.