Rocks are identifiers of Earth. The composition of our rocks are different from those in Mars. Rocks are important pieces that tell scientists about the geology

Rocks are magnificent. Some are very hard while others are relatively soft. Some were made from sediments that formed together, others from hardened lava and st

In this revised edition of a Baby Professor classic, we’ll take a second look at rocks and what we know about them. Complete with age-appropriate texts and ap

Rocks are identifiers of Earth. The composition of our rocks are different from those in Mars. Rocks are important pieces that tell scientists about the geology

If you think all rocks are the same, then you are wrong. There are different types of rocks. They were formed in various ways so they have different composition