Mighty Minerals in Rock (Rockin' Earth!)

There are thousands of different kinds of rocks on Earth. They come in many different sizes and colors. But what are rocks made of?

Learn all about mighty minerals, including how they can be found in rocks all around, what they're made out of, how they're used, and more. A final science lab activity engages young readers to get creative with what they've learned.

It's a rockin' good time on Earth!