There are lots of types of rock and each type has different ... your 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 ...

Have them name some examples of how energy causes ... Describe that the same behavior happens for many types of rocks. Tell the students that temperature and pressure increase as one goes deeper ...

A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of atom ... For example, the rock malachite is mostly made of the ...