Summary
Mystery Doug takes on a real kid's question -- "How old is the Earth?" -- and follows the clues. Earth is about 4.5 billion years old, which scientists figured out by studying the oldest rocks and meteorites. A quick five-minute watch to spark curiosity and kick off a conversation.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Doug investigates a question kids really asked: "How old is the Earth?"
- What was Doug's answer to today's question, in your own words?
- What surprised you most about Earth, or what did you already know?
- What's one thing this makes you want to find out more about?
Quick work-a-long
Words to know: Earth, age, billions.
Try it: Explain the answer to "How old is the Earth?" to someone at home using these three words, then write down one new question it made you wonder.