I WONDER - What Is An Avalanche?

The video explains avalanches, which occur when snow breaks loose and rushes down a slope, causing potential devastation. Avalanches can be triggered by factors like heavy snowfall, temperature changes, winds, or human activities. They can reach speeds of 80 mph or more, making them extremely dangerous.

What is an avalanche?

• A type of mountain

• A type of snowstorm

• A method of skiing

• A large mass of snow that suddenly moves down a slope

Which of the following is NOT a natural trigger for avalanches?

• Rapid temperature changes

• Heavy snowfall

• Strong winds

• Skiing

What human activities can trigger avalanches?

• Fishing

• Skiing and snowboarding

• Hiking

• Camping

How fast can an avalanche travel?

• Up to 30 miles per hour

• Up to 80 miles per hour

• Up to 50 miles per hour

• Up to 100 miles per hour

Why are avalanches considered extremely dangerous?

• They are unpredictable

• They are slow-moving

• They are harmless

• They are lightweight