Unit 2 Lesson 6-9 Vocabulary

Front

Igneous rock

Back

Rock formed by the cooling and solidification of hot liquid magma or lava.

Front

Lava

Back

Molten rock or magma that emerges onto the Earth's surface.

Front

Magma

Back

The molten or partly molten mixture of minerals, gases, and melted rock found below the Earth's surface.

Front

Intrusive

Back

Coarse-grained igneous rock that cools slowly underground; also called plutonic rock.

Front

Extrusive

Back

Fine-grained igneous rock that forms when lava cools quickly at the surface; also called volcanic rock.

Front

Sediment

Back

Loose rock fragments, grains of rock or sand, minerals, or shells and remains of small living things.

Front

Sedimentary Rock

Back

Rock formed when sediments are compressed and squeezed together.

Front

Compaction

Back

Crushing or pressing.

Front

Cementation

Back

The process of binding particles of rocks.

Front

Metamorphic Rock

Back

Rock that has undergone change, caused by intense heat and pressure, from an earlier form, without melting.