1. Place these events on your timeline:
Big Bang: 13,800,000,000 Years Ago
Sun is Formed: 4,600,000,000 Years Ago
Earth is Formed: 4,500,000,000 Years Ago
First Life on Earth: 3,500,000,000 Years Ago
First Humans: 300,000 Years Ago

2. Draw a symbol for each event.

3. Fold your timeline in half and put it in your turn in folder.

4. Code if time.