Books by Ava Sawyer

Did you know igneous rock is formed as a result of volcanic activity? This type of rock is made up of minerals. Find out more about minerals, where igneous rocks form and what purposes they serve. You may even have igneous rocks in your own home!

How do we know about the plants and animals that lived millions of years ago? Fossils! Every continent contains fossils that tell us about organisms that once existed on Earth. Fossils also give us details about what the planet was like in these prehistoric times. Find out how fossils are formed, how they are identified and much more.