Download 8B Rocks and Minerals Test Review Sheet 1. A

8B Rocks and Minerals Test Review Sheet 1. A _______________ is a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. a. What does ​
inorganic ​
mean? 2. List the six main properties that we use to identify a mineral. a. b. c. d. e. f. 3. What is the name of the scale used to rank minerals from softest to hardest? 4. Use the scale below to answer the question. You find a mineral that can be scratched by a steel nail and a copper penny, but cannot be scratched by your fingernail. What is the hardness of this mineral? ____ 5. The _____________ of a mineral is the color of its powder. 6. True or False? The streak of a mineral always matches the color of the mineral. 7. ______________ describes how a mineral reflects light from its surface. 8. A mineral that easily splits apart along a flat surface has the property called __________________. 9. A mineral that breaks apart in an irregular way is said to have _______________. 1 10.You find a mineral that is greyish­yellow in color, has a green­black streak, a hardness of 6­7, metallic luster, and fracture. Use your mineral identification chart to identify this mineral. __________________ 11.True or False? Minerals can be formed by the cooling of magma or lava. 12.True or False? Minerals can be used to make metals, gemstones, and other materials. 13.Rocks are made of __________________. 14.The two most important characteristics used to identify a rock are __________________ and ___________________. 15.The particles of minerals or other rocks that make up a rock are called _______________. 16.How would you describe the grain for each of the following pictures? Use words from the box below. Banded not banded fine­grained coarse­grained Jagged No visible grain rounded 2 17.Fill in the chart below with the three types of rocks and how each type of rock is formed. Rock Type How it Forms 1. 2. 3. 18.What is the difference between ​
extrusive ​
igneous rock and ​
intrusive ​
igneous rock? 19.Which cools more quickly, magma or lava? Circle your answer. 20.What are the four steps to forming a sedimentary rock? a. b. c. d. 21.What are the three types of sedimentary rock? WHich type is made from the remains of plants and animals (circle it)? a. b. c. 22.What does it mean to say a metamorphic rock is “foliated”? 23.Define the ​
rock cycle​
: 3 24.Use the diagram of the rock cycle below to answer the following questions. a. Identify a process that can convert an igneous rock into a metamorphic rock. b. What process converts sediments into sedimentary rock? c. How can sedimentary rock be transformed into igneous rock? d. What is the name of the process that turns sedimentary rock into metamorphic rock? 4