Rocks: collecting and classifying

Blog Post | June 2009

On the playground two sisters collected rocks and set them on a bench where they grouped them by size. When I asked, “What kind of rock is that?” one said, “A triangle” referring to its outer shape. They also had a…

How Can Plants Break Rocks?

Lesson Plan | June 2020

Spenser and the Rocks: I Wonder Why

NSTA Kids | July 2013

As he begins to discover the interesting rocks all around him, Spenser has many questions about what he finds. Given the differences in the rocks’ colors, sizes, shapes, and textures, there is much to learn about rocks…