Rock Classification Vocabulary

What is the process when compacted sediments stick together and turn into rock?

• Cementation

• Compaction

• Erosion

• Melting

What is the process of rock particles or sediments being pressed together or packed down by gravity and the pressure of overlying rock layers?

• Cementation

• Compaction

• Melting

• Erosion

What is the process that formed and changed Earth from its beginning to the present?

• Snowball Earth

• Primordial Earth

• Dinosaur Era

• Present-Day Earth

What is the rock formed when lava or magma cools, forms crystals, and solidifies?

• Magma

• Igneous Rock

• Metamorphic Rock

• Sedimentary Rock

What is the melted, or molten, rock material beneath Earth's surface that cools slowly to form rocks with larger crystals?

• Igneous Rock

• Lava

• Metamorphic Rock

• Sedimentary Rock

What is the process by which rocks are broken down by the forces of wind, water, and ice?

• Erosion

• Compaction

• Cementation

• Melting

What is the rock formed when an existing rock is altered by heat, pressure, or chemical reactions?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

• Lava

What is the process by which sediment settles out of the water or wind carrying it, and is deposited in a new location?

• Compaction

• Deposition

• Cementation

• Erosion

What is the rock formed from the accumulation and consolidation of sediment, usually in layered deposits?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

• Lava

What is the process by which sediment becomes a rock as a result of the intense pressure and heat over time?

• Compaction

• Deposition

• Cementation

• Lithification