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Name ______________________________ Class ___________________ Date __________________ Section 13-1 Worksheet(pgs336-339) Section: What Is a Mineral? MINERAL STRUCTURE Circle the letter of the best answer for each question. 1. Which of the following is NOT true about a mineral? a. It is a solid. b. It has a crystalline structure. c. It is not a living thing. d. It is made in a lab. Atoms and Compounds 2. What is the smallest part of an element called? a. an atom b. a native element c. a compound d. a crystal 3. What is a substance made of two or more chemically bonded elements called? a. an atom b. a native element c. a compound d. a crystal Crystals 4. Which of the following is NOT true of crystals? a. They are solids. b. They have a geometric form. c. They are alive. d. They have a repeating inner structure. Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 7 Minerals of the Earth’s Crust Name ______________________________ Class ___________________ Date __________________ Directed Reading B continued TWO GROUPS OF MINERALS Circle the letter of the best answer for each question. 5. What two groups are minerals divided into? a. atoms and compounds b. crystals and solids c. silicate minerals and nonsilicate minerals d. hard minerals and soft minerals Silicate Minerals Read the words in the box. Read the sentences. Fill in each blank with the word or phrase that best completes the sentence. feldspar silicate materials mica quartz 6. Minerals that contain oxygen and silicon are called ______________________. 7. The main component of most rocks on the Earth’s surface is ______________________. 8. The mineral ______________________ breaks easily into sheets. 9. The basic building block of many rocks is the mineral ______________________. Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 8 Minerals of the Earth’s Crust Name ______________________________ Class ___________________ Date __________________ Directed Reading B continued Nonsilicate Minerals Read the description. Then, draw a line from the dot next to each description to the matching word. • • • • 10. contain sulfur and oxygen, SO4 11. composed of only one element 12. contain combinations of carbon and oxygen 13. contain one or more elements a. b. c. d. native elements carbonates sulfates sulfides Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 9 Minerals of the Earth’s Crust