Quality Montessori Materials for Toddler,
Primary and Elementary Environments.
E&O Montessori USA.
From huge, craggy boulders and tiny, smooth pebbles to the stones used to construct buildings, rocks are almost everywhere we look. Readers will learn how rocks are formed, why some are so different from others, and how people have used them throughout history.
Inside, you will find:
- A timeline and photos - and what techniques scientists use to study rocks.
- Surprising true facts that will shock and amaze you!