Name date class key concept builder lesson 1 rocks and the rock cycle key concept how are rocks classified directions on the line before each description write the letter of the type of rock that matches it correctly 1. Chapter four rocks lesson 1 rocks and the rock cycle rocks a natural solid mixture of minerals or grains grains the fragments that make up a rock texture the grain size and the way grains fit together in a rock composition the make up of a rock the minerals a rock is made of it is used to determine where the rock was formed. Start studying science rocks lesson 1 rocks and the rock cycle learn vocabulary terms and more with flashcards games and other study tools. Start studying science lesson outline rocks and the rock cycle lesson 1 learn vocabulary terms and more with flashcards games and other study tools. Created date 4 30 2015 112034 am