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Name ______________________________ Class ___________________ Date __________________ Section 13-2 Worksheet (pgs 340-343) Section: Identifying Minerals COLOR Circle the letter of the best answer for each question 1. Besides air and water, what can change the color of a mineral? a. streak b. impurities c. location d. fracture LUSTER 2. Which of the following is NOT a type of luster? a. supermetallic b. nonmetallic c. metallic d. submetallic STREAK 3. What is the color of a mineral in powdered form called? a. fracture b. liquid c. gas d. streak CLEAVAGE AND FRACTURE 4. What occurs when minerals break unevenly along curved or irregular surfaces? a. streak b. fracture c. luster d. cleavage 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 10 Minerals of the Earth’s Crust Name ______________________________ Class ___________________ Date __________________ Directed Reading B continued HARDNESS Circle the letter of the best answer for each question. 5. What is the softest mineral on the Mohs scale? a. diamond b. topaz c. talc d. gypsum 6. What is the hardest mineral on the Mohs scale? a. diamond b. topaz c. talc d. gypsum DENSITY Read the words in the box. Read the sentences. Fill in each blank with the word or phrase that best completes the sentence. water density specific gravity 7. The ratio of an object’s mass to its volume is ______________________. 8. The substance used as a reference point for measuring density is _____________________. 9. The density of an object in relation to the density of water is ______________________. 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 11 Minerals of the Earth’s Crust Name ______________________________ Class ___________________ Date __________________ Directed Reading B continued SPECIAL PROPERTIES Read the words in the box. Read the sentences. Fill in each blank with the word or phrase that best completes the sentence. magnet fluorescence radioactivity 10. The property that causes some minerals to glow is ______________________. 11. A Geiger counter can be used to detect ______________________ in a mineral. 12. Pyrrhotite is a natural ______________________ that attracts iron. 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 12 Minerals of the Earth’s Crust
