Minerals and Scientific Method

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Minerals and Scientific Method Studying
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6th grade
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1

What is the Order of the Scientific Method?

1. State the Problem
2. Gather Info
3. Form a Hypothesis
4. Experiment
5. Record Data
6. Conclusion

2

What are minerals?

Natural
Solid
Inorganic
Definite chemical structure
must form crystals

3

How to Identify a Mineral?

Hardness (Scratch Test)
Crystal Shape (form)
Luster (Metallic or non metallic)
color
streak
cleavage/fracture
Density

4

What is mineral Hardness?

A minerals ability to scratch another mineral

5

Name the order of Mohs hardness scale from least to greatest

1. Talc
2. Gypsum
3. Calcite
4. Fluorite
5. Apatite
6. Feldspar
7. Quarts
8. Topaz
9. Corundum
10. Diamond

6

What is Luster?

Shininess; Metallic or Non-Metallic

7

Why do you think color might not be the best way of Identifying Minerals? Name an Ex for Each?

1. The same mineral can have many different colors
Quarts

2. Different minerals are the same color
Gold and Fools Gold

8

What is Streak?

Color of the powder when rubbed on a de-glazed tile

9

What is Cleavage?

When a mineral splits along smooth when struck hard

10

What is Fracture?

When a mineral breaks unevenly and rough

11

What are the 3 best ways to identify a mineral?

Streak, Hardness, and cleavage