Identifying a Rock vs Mineral Quick Check

What is the primary difference between a rock and a mineral?

• Rocks are made of minerals, while minerals are made of elements.

• Minerals are made of rocks, while rocks are made of elements.

• Rocks are organic, while minerals are inorganic.

• Minerals are organic, while rocks are inorganic.

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DOK Level 3: Strategic Thinking

Which characteristic is most useful in identifying a mineral?

• Color

• Hardness

• Size

• Weight

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DOK Level 3: Strategic Thinking

You find a rock sample that has layers and contains fossils. How would you classify this rock?

• Igneous

• Sedimentary

• Metamorphic

• Mineral

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DOK Level 3: Strategic Thinking

A mineral sample scratches glass but not a steel file. What can you infer about its hardness on the Mohs scale?

• Less than 5

• Between 5 and 6

• Between 6 and 7

• Greater than 7

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DOK Level 3: Strategic Thinking

Which of the following is a key characteristic of igneous rocks?

• They have a glassy texture.

• They contain fossils.

• They have a foliated structure.

• They are formed by the cooling of magma or lava.

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DOK Level 3: Strategic Thinking

How would you classify a rock that has been changed by heat and pressure?

• Igneous

• Sedimentary

• Metamorphic

• Mineral

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DOK Level 3: Strategic Thinking

Which property would you use to distinguish between quartz and calcite?

• Color

• Hardness

• Streak

• Luster

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DOK Level 3: Strategic Thinking

A rock sample is composed of large, interlocking crystals. What type of rock is it likely to be?

• Sedimentary

• Igneous

• Metamorphic

• Mineral

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DOK Level 3: Strategic Thinking

What reasoning would you use to classify a rock with a foliated texture?

• It is an igneous rock formed from lava.

• It is a sedimentary rock formed from layers of sediment.

• It is a metamorphic rock formed under pressure.

• It is a mineral with a crystalline structure.

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DOK Level 3: Strategic Thinking

Which of the following is NOT a characteristic used to identify minerals?

• Hardness

• Streak

• Cleavage

• Weight

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DOK Level 3: Strategic Thinking