science/rocks

Which of the following is true about rocks?

• Rocks are composed of only one mineral.

• Rocks do not contain minerals.

• Coal is not considered a rock.

• Most rocks are a mixture of minerals.

Which of the following is NOT one of the three types of rock?

• Igneous

• Sedimentary

• Magma

• Metamorphic

How does metamorphic rock form?

• Heat and pressure.

• The cooling of magma.

• Compaction of sediments.

• The melting of rock.

What is a rock called that forms when magma hardens beneath Earth's surface?

• Intrusive metamorphic rock

• Intrusive igneous rock

• Extrusive sedimentary rock.

• Extrusive igneous rock

Which of the following is an example of an extrusive igneous rock?

• Basalt

• Coal

• Sandstone

• Granite

What type of texture will igneous rocks have if the lava cools so quickly that crystals do not have time to form?

• Porphyritic texture.

• Coarse-grained texture.

• Glassy texture.

• Fine-grained texture.

The rock shown below has a foliated texture and contains the minerals amphibole, quartz, and feldspar arranged in coarse-grained bands. Which rock is pictured?

• Slate

• Pumice

• Gneiss

• Quartzite

Tags

NGSS.MS-ESS2-2

In which type of rocks are fossils found exclusively?

• Intrusive igneous rocks.

• Sedimentary rocks.

• Extrusive igneous rocks.

• Metamorphic rocks.

Tags

NGSS.MS-LS4-1

What rock-forming process occurs when hot magma comes near and heats up rock?

• Regional metamorphism.

• Biochemical sedimentation.

• Contact metamorphism.

• Deposition.

What type of rock is most similar to the material formed when a saltwater solution evaporates and cements quartz sand grains together?

• An extrusive igneous rock.

• An intrusive igneous rock.

• A sedimentary rock.

• A metamorphic rock.