Unit 7 Vocabulary Words

Sedimentary

• Relating to sediment; rocks formed by the accumulation and consolidation of mineral and organic material.

• A type of rock formed from volcanic activity.

• Rocks that are formed under high pressure and temperature.

• A type of rock that is primarily composed of crystalline minerals.

Weathering

• The process of breaking down rocks, soil, and minerals through contact with the Earth's atmosphere, water, and biological organisms.

• The process of forming new rocks from molten lava.

• The process of transporting sediments from one location to another.

• The process of creating soil from organic matter.

Moraine

• An accumulation of glacial debris (till) that occurs in both currently and formerly glaciated regions on Earth.

• A type of sedimentary rock formed from volcanic ash.

• A large body of ice that moves slowly over land.

• A geological formation created by the erosion of mountains.

Dormant Volcano

• A volcano that is currently erupting.

• A volcano that has not erupted in over a million years.

• A volcano that is not currently active but may erupt again.

• A volcano that is permanently inactive.

Erosion

• The process by which natural forces move weathered rock and soil from one place to another.

• The process of breaking down rocks into smaller pieces.

• The movement of water from one location to another.

• The formation of new soil from organic matter.

Barrier Island

• A type of mountain range found inland.

• A coastal landform and a type of dune system that is exceptionally flat or lumpy and parallel to the mainland coast.

• A deep-sea trench formed by tectonic activity.

• An urban area built on reclaimed land.

Plateau

• An area of relatively level high ground.

• A low-lying area between mountains.

• A steep cliff or rock face.

• A flat area of land near the sea.

Point Bar

• A type of sedimentary rock formed from volcanic ash.

• A depositional feature made of alluvium that accumulates on the inside bend of streams and rivers below the slip-off slope.

• A steep slope formed by erosion on the outside bend of a river.

• A flat area of land adjacent to a river that is prone to flooding.

Converge

• To come together from different directions so as eventually to meet.

• To separate and move away from each other.

• To remain in a fixed position without change.

• To combine different elements into a single entity.

Delta

• A type of cloud formation

• A landform at the mouth of a river where it meets a body of water, formed from the deposition of sediment carried by the river.

• A geological formation caused by volcanic activity

• A type of fish found in rivers