Earth's Surface and Natural Events

The video tutorial 'Earth's Changing Surface' explores the dynamic nature of Earth's surface, highlighting both rapid and gradual changes. It covers surface features like landforms and oceans, and explains quick changes such as earthquakes and volcanoes, as well as slow changes like erosion and glacier movement. The tutorial includes a glossary of key terms and questions to test understanding.

What percentage of Earth's surface is covered by land?

• About 90%

• About 75%

• About 50%

• About 25%

Which of the following is considered a landform?

• Ocean

• Mountain

• River

• Cloud

What natural event occurs when slabs of Earth's surface move and get unstuck?

• Volcano

• Landslide

• Earthquake

• Flood

Which of these is NOT a quick change to Earth's surface?

• Erosion

• Flood

• Volcano

• Earthquake

What process involves the wearing down of rock by water, ice, and wind?

• Erosion

• Faulting

• Volcanism

• Sedimentation

Which natural feature is formed by river carving over time?

• Mountain

• Canyon

• Dune

• Valley

What is a large, slow-moving mass of ice called?

• Glacier

• Volcano

• Dune

• Fault

What is the primary cause of dunes forming?

• Water erosion

• Wind movement

• Volcanic activity

• Glacial movement

Which term describes a large break in Earth's surface where earthquakes can occur?

• Volcano

• Glacier

• Dune

• Fault

What is the term for an opening in Earth's surface through which lava erupts?

• Volcano

• Dune

• Glacier

• Fault