The History of Us for Kids
Long before the very first humans, Earth had already lived an incredible story: billions of years of it! Let's rewind all the way to the beginning and travel through 'deep time', right up to the moment just before people appeared.
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What's inside
🌍 Earth's Story
Long before the very first humans, Earth had already lived an incredible story: billions of years of it! Let's rewind all the way to the be
⏳ The Human Story
History is one long, amazing adventure story: the story of people! Travel from the very first humans making stone tools all the way to toda
Key ideas
- Scientists measure Earth's story in millions and even BILLIONS of years. A billion is a thousand millions, a HUGE amount of time!
- We learn about deep time from clues: rocks, the layers in the ground, and fossils (the preserved bones and prints of ancient living things).
- These dates are science's best estimates from lots and lots of evidence. Earth itself is about 4.5 billion years old.
- This whole journey happened BEFORE the Stone Age. Humans arrive only at the very, very end: you're about to see just how new we really are!
Sample worksheet questions
1. What caused the dinosaurs to die out about 66 million years ago?
Answer: A giant asteroid hit the Earth
2. Put these in order, oldest first: dinosaurs, the Big Bang, the first human ancestors.
Answer: The Big Bang, then the dinosaurs, then the first human ancestors
3. A billion is how many millions?
Answer: A thousand millions (1,000)
4. About how long ago did the Big Bang happen?
Answer: About 13.8 billion years ago
5. What tiny living things slowly filled Earth's air with oxygen?
Answer: Cyanobacteria (tiny microbes) using sunlight
These are generated fresh every time. Press New Worksheet in the app for a brand-new set, with a printable answer key.
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curriculum, school district, state education agency, or the U.S. Department of Education. Our
lessons follow widely used US scope-and-sequence guidance as a helpful reference only. Always
follow your child's school, district and state requirements.