The story for kids
At first, the Earth was very hot, covered in red lava and volcanoes. Comets fell down and brought ice and water. When the Earth cooled down, it rained for a long, long time, and the oceans filled up.
Facts
- The young Earth was covered in melted rock – lava.
- Comets and asteroids fell and brought water and ice.
- When Earth cooled down, it rained for millions of years and the oceans filled up.
Numbers
- When
- 4.5–4 billion years ago