Rocks, Minerals, & Fossils Quiz

What is the definition of minerals?

• Naturally-occurring, organic solid with a crystal structure and definite chemical composition

• Naturally-occurring, inorganic solid with a crystal structure and definite chemical composition

• Artificially-created, organic solid with a crystal structure and definite chemical composition

• Artificially-created, inorganic solid with a crystal structure and definite chemical composition

What is texture?

• The feel or appearance of a substance

• The color of a substance

• The weight of a substance

• The smell of a substance

What are grains in rocks?

• Particles of minerals or other rocks that give a rock its texture

• Particles of sediment that settle from water or wind carrying it

• Particles of lava or magma that cool and harden

• Particles of fossils found in sedimentary rock

What is sediment?

• Small, solid pieces of material from rocks or organisms

• The process of pressing sediments together to form sedimentary rock

• The process of sediment settling from water or wind carrying it

• The process of minerals crystallizing and gluing sediment particles together

What are rocks made of?

• A mixture of minerals and other materials

• Only minerals

• Only sediment

• Only fossils

How is igneous rock formed?

• From the cooling of sediment

• From the cooling of lava or magma

• From the heat and pressure on existing rock

• From the erosion and deposition of sediment

What is the texture of extrusive igneous rock?

• Coarse-grained with large crystals

• Fine-grained or glassy

• Arranged in parallel layers of bands

• Grains arranged randomly

What is the color of extrusive igneous rock?

• Light-colored due to high silica content

• Dark-colored due to low silica content

• Colorless

• Multicolored

How is intrusive igneous rock formed?

• From the cooling of sediment

• From the cooling of lava or magma

• From the heat and pressure on existing rock

• From the erosion and deposition of sediment

What is the texture of intrusive igneous rock?

• Coarse-grained with large crystals

• Fine-grained or glassy

• Arranged in parallel layers of bands

• Grains arranged randomly