There are lots of types of rock and each type has different ... local area - how many can you spot? Make a list of all the different rocks you saw. Can you think of ways to group and compare ...

Not all boulders are round ... and their makeup can consist of different types of rock. In days past, when farmers plowed new fields in rocky regions, they piled up the rocks as they unearthed ...

Over the years, some Rock Type Pokémon designs have stood apart from the rest, fully personifying the rugged aspect of a Type ...

However, they do not reveal the relative ages of rocks preserved in two different areas. In this case, fossils can be useful tools for understanding the relative ages of rocks. Each fossil species ...