Science Flashcard

Front

What is physical weathering?

Back

Physical weathering is the process of breaking down rocks and minerals into smaller pieces without changing their chemical composition. An example is the breaking of a boulder into smaller pieces through freezing and thawing.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow, and transported to another location.

Front

What is a delta?

Back

A delta is a landform created at the mouth of a river where sediments carried by the river are deposited as the river meets a body of water, such as an ocean or lake.

Front

How are canyons formed?

Back

Canyons are typically formed by the erosion of rock by water, often through the action of floods that erode the canyon walls over time.

Front

What role does water play in shaping the Earth's surface?

Back

Water plays a major role in shaping the Earth's surface through processes like erosion, which transports sediments and shapes landforms.

Front

What is chemical weathering?

Back

Chemical weathering is the process that breaks down rocks and minerals through chemical reactions, often involving water and substances dissolved in it.

Front

What is abrasion?

Back

Abrasion is the process of wearing down surfaces through friction or impact, often caused by particles carried by wind, water, or ice.

Front

What is deposition?

Back

Deposition is the geological process where materials are added to a landform or land mass, often occurring when the energy of the transporting medium decreases.

Front

What is the significance of Florida's rivers?

Back

Florida's rivers are significant because they are generally slow due to the flat terrain, which affects their flow and the amount of erosion they cause.

Front

What is the difference between physical and chemical weathering?

Back

Physical weathering breaks rocks into smaller pieces without changing their composition, while chemical weathering alters the chemical structure of the rocks.