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Graded Assignment
SCI113A: Earth Science | Unit 3 | Lessons 7 and 8: Laboratory: Rocks and Minerals
Name:
Date:
Graded Assignment
Lab Report
Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for
full credit.
(6 points)
1. Complete the following Data Table as you conduct the lab.
Score
Answer:
Data Table: Mineral Identification
Characteristics
Calcite
Mica
Quartz
Sulfur
Magnetite
Pyrite
Unknown
Color
Streak
Luster
Hardness
Cleavage
Magnetic
Acid Reaction
(3 points)
2. What is the unknown?
Score
Answer:
© 2006 K12 Inc. All rights reserved.
Copying or distributing without K12’s written consent is prohibited.
Page 1 of 2
Graded Assignment
SCI113A: Earth Science | Unit 3 | Lessons 7 and 8: Laboratory: Rocks and Minerals
(3 points)
3. Why was it important to examine both the color and the streak of your minerals?
Score
Answer:
(3 points)
4. Is luster a good characteristic to use for the identification of minerals? Why or why not?
Score
Answer:
(3 points)
5. You have been given a sample of quartz, which has a hardness of 7. How can you use this
mineral to determine the hardness of other minerals?
Score
Answer:
(3 points)
6. Which property or properties did you find most useful in the identification of the mineral
samples? Which properties were less useful? Be specific in your explanation.
Score
Answer:
Your Score
© 2006 K12 Inc. All rights reserved.
Copying or distributing without K12’s written consent is prohibited.
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