β All time stops
The Young Earth
4.5 billion years ago β a world of lava
Put on your super space boots and travel back to when our planet was a hot, glowing ball of melted rock!
1/5
- 4.5 billion years ago
A World of Lava
Earth was a giant, fiery ball of melted rock. There were no trees, blue skies, or places to walk!
The big idea
Long before dinosaurs, Earth was a wild, hot planet that slowly cooled down to make a home for life.
Fun facts
- β¨ A day on the young Earth was only 6 hours long because the planet spun super fast!
- β¨ The Moon was much closer to Earth back then, making it look giant in the night sky.
- β¨ The oldest rocky crust found on Earth is over 4 billion years old!
Science words
- lava β Super hot, melted rock that flows like liquid.
- crust β The hard, cool outer layer of a planet.
- microbe β A tiny living thing so small you need a microscope to see it.