Changes to the Earth

Front

What is abrasion in the context of geology?

Back

Abrasion is the process by which rock surfaces are worn away by the mechanical action of wind, water, or ice carrying particles that scrape against the rock.

Front

What natural process is largely responsible for the formation of canyons like the Grand Canyon?

Back

Water erosion is the primary process that shapes canyons, as flowing water cuts through rock over long periods.

Front

What is a stalagmite?

Back

A stalagmite is a cone-shaped mineral deposit that forms on the floor of a cave from dripping water that contains dissolved minerals.

Front

What is an example of erosion?

Back

An example of erosion is sand being pulled away from a beach by waves.

Front

What is a beach?

Back

A beach is an area of wave-washed sediment along a coast, typically consisting of sand or pebbles.

Front

What is the difference between erosion and weathering?

Back

Erosion involves the movement of soil and rock from one location to another, while weathering is the breakdown of rocks into smaller pieces without movement.

Front

What role does water play in the erosion process?

Back

Water can erode land by carrying away soil and rock particles, shaping landscapes through rivers, rain, and waves.

Front

What is chemical weathering?

Back

Chemical weathering is the process that breaks down rocks through chemical reactions, often involving water and atmospheric gases.

Front

What is a stalactite?

Back

A stalactite is a mineral formation that hangs from the ceiling of a cave, formed by the dripping of mineral-rich water.

Front

What is longshore drift?

Back

Longshore drift is the movement of sand and sediment along a beach caused by waves hitting the shore at an angle.