1. Intro to World History

3. BIG QUESTION
When did history begin?

4. When did Humans first appear on Earth?
Time
How old is the universe?
How old is the Earth?
When did Humans first appear on Earth?

5. 200,000 years ago

6. What is the oldest thing in this room?
Time
What is the oldest thing in this room?
It's the air

7. How old is the air?
Part of air is hydrogen and helium which were created 13 billion years ago.
Other gases, oxygen, nitrogen, etc. were created in stars and range from 1-12 billion years old.
Because our bodies are made up of these atoms, you too are billions of years old. Most of your weight which is water (hydrogen and oxygen) is 13 billion years old.

8. How long is time? Modern humans have been around for 200,00 years
If 200,000 years = 200,000 minutes...
...then humankind would only be 6 months old (200,000 minutes = 6 months).
If 200,000 years were squeezed into one year...
...then all of 2018 would start at 11:58 pm on December 31st and end by 12:00 am

9. Quick Write
Has humankind been around for a long time or a short time? What evidence supports your opinion?

10. History of the World...in Seven Minutes
Every second in the video represents 50 years.
This IS A VISUAL TIMELINE
Watch the spacing of events, how far apart they are in the beginning and how close they are in the last four minutes of the video

11. History of the World...in Seven Minutes
What types of artifacts were left behind at the earlier parts of human history?
How does the video and pace of history change at the halfway mark?
What surprised you about the video?
OBJECTS and TOOlS, no writing
FARMING causes the music to MOVE FASTER

12. Quick Write What major EVENT caused the music to speed up?

13. Prehistoric: The time or period before recorded or written history
Example: Prehistoric people did not have written language.