Week 6 Geology Warm ups Monday Oct 8 1.What are the four characteristics of minerals ( 2.1) 2.What...
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Transcript of Week 6 Geology Warm ups Monday Oct 8 1.What are the four characteristics of minerals ( 2.1) 2.What...
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Week 6 Geology Warm ups
Monday Oct 8
1. What are the four characteristics of minerals ( 2.1)
2. What is the most common group of minerals? What percentage of Earth’s crust do they make up?
Today’s agenda:
•Chapter 2/3 pretest
•“Investigating crystal shape”
Objectives:
To understand the minerals are the basic building
blocks of Earth
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Investigate Crystal Shape
1. Read CRYSTAL STRUCTURE and Investigate Crystal Shape from page 46. Look at the procedure, materials and the questions at the end. I will be doing this lab as a demonstration.
2. Write a hypothesis for the experiment (remember the 3 words!)
3. Identify the manipulated and responding variables.
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Week 6 Geology Warm ups
Tuesday Oct 9
1. How are minerals different from rocks? Be specific.
2. What does it MEAN to say a mineral has a definite chemical makeup?
Today’s agenda
•Chapter 2 “diagnostic”
•Read / RSG 2.1
•Begin Chapter 2 vocab ( #s 7, 8, 9)
Objectives:
To understand that minerals are around us
every day.
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Chapter 2- Minerals I ntro
Chapter 2 THE BI G I DEA: Key Concepts 1. 2. 3. Chapter 2 Vocabulary (list words, do not defi ne) 1. 2. 3.
4. 5. 6.
7. 8. 9.
10. 11. 12.
1. What do you think the most common mineral in Earth’s crust? What are some characteristics of that mineral? What I know NOW _____________________________________________ _____________________________________________ What I have learned _____________________________________________ ____________________________ _____________________________________ _________________________ . 2. What properties do scientists use to identif y minerals? How can you tell if you have a f ake or real diamond? What I know NOW _____________________________________________ _____________________________________________ What I have learned _____________________________________________ __________________________________________________________________________________________ . 3. Where are minerals f ound and how do we get them? What I know NOW _____________________________________________ _____________________________________________ What I have learned _____________________________________________ ________________________________________________________________________________________ __ .
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Week 6 Geology Warm ups
Wednesday Oct 10
1. What is the second most common group of rock forming minerals?
2. How are carbonates different from silicates?
Today’s agenda:
•Mineral properties notes/foldable
•Read/ RSG 2.2HMWK
•Vocab (#1,2,4,10,11,12) HMWK
Objectives:
To understand the properties used to identify
minerals
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• Color is the most Color is the most obviousobvious property property of a mineral; however it is also the of a mineral; however it is also the least least reliablereliable..
• Determine the color of a mineral by Determine the color of a mineral by observing the sample with the observing the sample with the unaided eyeunaided eye and noting its overall and noting its overall color.color.
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• The streak of a mineral is identified The streak of a mineral is identified by firmly rubbing a mineral sample by firmly rubbing a mineral sample against an against an unglazed unglazed porcelain tile porcelain tile and observing the color of its and observing the color of its streakstreak..
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• Determine the Determine the lusterluster of a mineral of a mineral by observing how light by observing how light reflectsreflects off off its surface.its surface.
• Looks like metal = Looks like metal = MetallicMetallic
• Does not look like metal = Does not look like metal = NonmetallicNonmetallic
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Metallic or Nonmetallic?Metallic or Nonmetallic?
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• Describes the way a mineral Describes the way a mineral breaks. breaks.
• If it If it cleavescleaves, then it breaks along , then it breaks along smoothsmooth, flat surfaces., flat surfaces.
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• Describe the way a mineral breaks. Describe the way a mineral breaks.
• If a mineral If a mineral fracturesfractures, it breaks , it breaks along along roughrough edges. edges.
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• Determine the hardness of a Determine the hardness of a mineral by using mineral by using Moh’sMoh’s hardness hardness scale.scale.
• Fingernail = Fingernail = 2.52.5
• Penny (1982 or earlier) = Penny (1982 or earlier) = 3.03.0
• Steel nail = Steel nail = 5.55.5
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• Some minerals have unique Some minerals have unique properties that enable us to properties that enable us to determine their identities.determine their identities.
• TasteTaste
• MagnetismMagnetism
• BirefringenceBirefringence
• FluorescenceFluorescence
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BirefringenceBirefringence
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FluorescenceFluorescence
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Mineral Properties wulfenite
color orange
streak white
luster nonmetallic
cleavage yes
density 6.9
hardness 3
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Week 6 Geology Warm ups
Thursday Oct 11
1. What is the difference between color and streak?
2. EXPLAIN and GIVE AN EXAMPLE of density.
Today’s agenda:
•Finish notes/foldable
•Master Mines web activity
Objectives:
To understand how to use a minerals properties to
identify it.
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Week 6 Geology Warm ups
Friday Oct 12
1. Why does a piece of gold weigh much more than a piece of pyrite that is the same size?
2. What would happen if you rubbed a mineral with a hardness value of 7 against a mineral with a value of 5?
Today’s agenda:
Mineral identification labObjectives:
To understand how to identify minerals using
their properties