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2.5 Minerals Lessson

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Last updated over 2 years ago
18 questions
Do Now, Agenda, Annoucements
Critical Thinking
Recap
What makes a mineral a mineral?
Identification Part 1
Identification Part 2
Identification Part 3
Identification Practice
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Question 1
1.

I, the student completing this lesson, have looked at my grade in RDS for this class and I notice nothing incorrect.

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Question 3 | 00:43
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Question 3
00:43
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Question 3
3.

What do you think caused this to happen?

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Question 4
4.
Draggable itemarrow_right_altCorresponding Item
igenous
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fossils
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You will need to know all of these characteristics, and what each of them individually means.
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Question 6
6.

Plastic is a mineral.

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We often use flow charts with these qualities of known minerals to identify the mineral. Here is one that you will be using.
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Question 8
8.

A mineral can often leave a streak that doesn't match the outside color.

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Question 9
9.

A fracture is a random jagged breaking of the mineral.

What sets a cleavage apart?

There are many mineral cleavages, here are some of the more common types to be on the lookout for.
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Question 10
10.

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Question 12
12.
Draggable itemarrow_right_altCorresponding Item
If the mineral scratched a fingernail, and penny, but not glass, its hardness would be
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below 2.2
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Question 13
13.

In your own words, describe why color alone is not a good way to identify a mineral.

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Question 14
14.

Using the flow chart...

The mineral has a metallic luster, it's not magnetic, silver in color, harder than a fingernail, and leaves a red-brown streak.

What mineral is it?

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Question 15
15.

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Question 17
17.

Ice is a mineral.

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Question 2
2.

Other announcements to add...

sedimentary
heat and pressure
metamorphic
volcano lava
Question 5
5.

Some relative dating techniques include...

Question 7
7.

Justify your answer using the 5 characteristics of minerals.

You smash a rock with a hammer and this is one of the pieces.
It is a fracture
It is a cleavage
It is neither
It is a fracture that looks like a cleavage
Question 11
11.

Justify your answer.

Mineral XY scratches glass but not the streak plate, its hardness would be
between 3.2 and 5.5
If the mineral scratched the streakplate, its hardness would be
above 7
If the mineral did not scratch a fingernail, its hardness would be
between 5.5 and 7
Using the flow chart...

The mineral leaves a white streak, no cleavage when broken, a non-metallic luster, and it is softer than a steel nail.

What mineral is it?
Question 16
16.

Using the flow chart...

The mineral leaves a white streak, no cleavage when broken, a non-metallic luster, and it is softer than a fingernail.

What mineral is it?

Question 18
18.

Justify your answer.