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2020 - 6th Grade Flashcards > Minerals > Flashcards

Flashcards in Minerals Deck (5)
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1

________ are the solid, inorganic substances that the Earth's crust is made of

minerals

2

Minerals are usually c___________ in shape

crystalline (like crystals)

3

What are the two ways that minerals typicallly form?

1. When magma cools
2. When a solution (minerals+liquid) evaporates, leaving just the solid mineral behind

4

What are the characteristics that scientists use to classify minerals?

Color, Luster (shine), Cleavage/Fracture (how it breaks), and Hardness (how difficult it is to scratch)

5

What are the three main types of useful minerals?

Rare/precious (like diamonds), ores (what we turn into metal), and silicates (like sand/soil)