Three Types of Rocks

Today we learned that there are 3 types of rocks: sedimentary, metamorphic, and igneous. Be sure to ask your child how each rock is formed. Tomorrow we will study how rocks change through the rock cycle!

Sediments stack up over time, pushing down on one another:

Over time, pressure and water cements the sediments together to form a sedimentary rock:

Heat and pressure turn them into metamorphic rock:

Magma that reaches the earth's crust cools and solidifies to become an igneoue rock: