Take the rocks and minerals quiz! quiz Earth lessons
2017-3-29 · Igneous rocks form when molten rock rises and cools. Next Question > Sedimentary. Sedimentary rocks form when mineral grains are squashed to make layers of rock. Next Question > Metamorphic. Metamorphic rocks form when rocks are squeezed or heated. Next Question > Take the rocks and minerals quiz! See all quizzes › Go to topic › Question 3