I WONDER - How Long Does It Take For A Beach To Form?

Beaches form over thousands of years as cliffs are eroded by the sea. The rocks break down into smaller particles, eventually becoming sand. Some beaches have pebbles instead of sand. Over time, water smooths the rocks.

How long does it typically take for beaches to form?

• Thousands of years

• Several months

• A couple of years

• A few days

What natural process is responsible for breaking down cliffs to form beaches?

• Wind erosion

• Earthquakes

• Erosion by the sea

• Volcanic activity

What happens to rocks during the erosion process?

• They turn into pebbles

• They become larger

• They disappear completely

• They become tiny particles called sand

What is a characteristic of some beaches besides having sand?

• They are made of clay

• They have pebbles

• They are covered in grass

• They have volcanic ash

How do rocks become smooth over time on beaches?

• By being polished by humans

• Through the movement of water

• Due to wind erosion

• By being buried underground