Let’s Practice…. 1. Is It a Rock? • Write down the names of the following items that you believe are rocks: 2. Explain your thinking. What “rule” or reasoning did you use to decide if something is a rock?
A B H I C G D F E
Igneous Rock • Rock that forms when hot, liquid rock, or __________, cools and solidifies. • Examples: magma
Sedimentary Rock Forms when layers of _________ are compacted and cemented together. Most noticeable feature = layers, or _______. Examples: sediment strata
Metamorphic Rock • “Metamorphism” means ____________. • The structure, texture, or composition of the rock has changed. to change