This chapter introduces the formation of rocks, explaining the different types and stages of rock formation, including igneous, sedimentary, and metamorphic rocks.
How are rocks made? Why are some rocks hard and others soft? How do rocks shine? How are geodes and crystals made? Why do some rocks have gems in them? Answers to your rock questions with Hendratta Ali, rock doctor! Ali is a geologist who studies and teaches at Fort Hays State University in Kansas.
