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The Clues Glaciers Left Behind!
A SciShow Kids lesson on glaciers — giant, slowly moving masses of ice. Learn how glaciers form from packed snow over more than 100 years, why they move, and how much of Earth they once covered.
How it works
- Press play to start the video.
- Videos 5 minutes or longer pause once or twice for a quick check. Get it right and you're on your way. If not, you'll see a friendly explanation and the video simply keeps going. Short videos skip the checks.
- At the end there's a 3-question test. Score 60% or more to complete the lesson, and 80% or more to master it. You can always watch again and try for a higher score.