Glacial Landforms and Processes

The video discusses how glaciers transform landscapes through erosion and deposition, forming various landforms such as quarries, arêtes, pyramidal peaks, U-shaped valleys, and moraines. It explains the processes behind the formation of these features and concludes with the formation of drumlins.

What is a quarry and how does it form?

• A flat area formed by volcanic activity.

• A steep-sided basin formed by glacier ice.

• A deep circular hollow formed by river erosion.

• A ridge formed by wind erosion.

Why do quarries often form first on the north-facing slopes of mountains?

• They are closer to water sources.

• They receive the least sunlight.

• They are protected from wind.

• They receive the most sunlight.

What is an arête?

• A flat valley floor formed by glacial deposition.

• A steep-sided ridge formed by the meeting of quarries.

• A peak formed by volcanic activity.

• A circular lake formed by melting glaciers.

How do glaciers transform river valleys?

• By filling them with water.

• By forming V-shaped valleys.

• By creating flat plains.

• By widening and deepening them into U-shaped valleys.

What are hanging valleys?

• Valleys formed by volcanic activity.

• Valleys formed where tributary glaciers join the main valley.

• Valleys formed by wind erosion.

• Valleys formed by river meandering.

What is glacial till?

• Material eroded by rivers.

• Material deposited by wind.

• Material formed by volcanic eruptions.

• Material eroded and deposited by glaciers.

What is a terminal moraine?

• A ridge formed along the sides of a valley.

• A ridge formed by wind deposition.

• A ridge formed at the snout of a melting glacier.

• A ridge formed in the center of a valley.

How are drumlins formed?

• By wind shaping sand dunes.

• By volcanic activity creating hills.

• By glaciers depositing and shaping till.

• By rivers eroding the landscape.

What shape do drumlins typically have?

• Circular with flat tops.

• Triangular with rounded edges.

• Elongated with sharp ends.

• Square with steep sides.

In which direction do the sharp ends of drumlins point?

• Away from the direction the glacier was traveling.

• In the direction the glacier was traveling.

• Towards the nearest water body.

• Towards the source of the glacier.