Focus On Earth Science: California Grade 6

Lesson 2: Minerals and Rocks

Standards Check

1.
About how many common minerals are there? 6.b
A)30
B)70
C)5
D)150
2.
Which is a characteristic of a mineral? 6.b
A)Its composition depends on the temperature at which it forms.
B)It is made in a laboratory.
C)It is a solid or a liquid.
D)It has a crystal structure.
3.
Which of these minerals is the softest? 6.b
A)Topaz
B)Diamond
C)Calcite
D)Feldspar
4.
Geologists call the particles that make up a rock _________. 1.a
A)grains
B)magma
C)sediment
D)crystals
Grade 6
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