Want to impress your friend with your rock knowledge? Here are 30 types of rocks that you ought to know to get you started.

Free identification cards for minerals and rocks | Science ...

The rock cycle explained and a fun hands-on activity. Includes a free printable lesson on the rocky cycle. Ready to print, use, and engage kids!

Ooh I know all this, helpful for sorting your rock collection!

Agates are a subject of their own, with various varieties creating an amazing display. Here are 9 different types of agate along with pictures of each.

Let HST teach you the 3 types of rock, the rock cycle steps, how gemstones are made, plus a fun earth science project for K-6! Learn more now!

What are sedimentary rocks. What are they made of. How they look like. How are they formed. Learn its types with characteristics, examples, fun facts, & a picture.

Whether we're talking about politics or the animal kingdom, learning something new can require a fair amount of time and effort. Luckily, we don't always have to read lengthy scientific papers. Some people do it for us. And not only that — they narrow down everything to a few bullet points and illustrate them to help our minds remember.