Big History Unit 1

A perspective of big to small or small to big

• condition

• scale

• ingredients

• complex threshols

Why are thresholds complex?

• New ways of analyzing the universe.

• Understanding all of history is complex.

• Something becomes so different it cannot return to what it once was.

• they are special moments in time.

How old is the universe to our best guess?

• 1.4 million years old

• 4.5 billion years old

• 100 ^5 years old

• 13.6 billion years old

• 50 billion years old.

Ingredients relate to thresholds by......

• joining together to make something new at just the right moment.

• making chocolate chip cookies in the scale of time.

• By taking away it's parts and going backwards in time.

• they are the origin story to big history.

Scientists working together to analyze a history mystery:

• Shows how Big History needs many experts to understand mysteries.

• That there is one person who clearly has the answers.

• One needs a big scale to solve mysteries.

• Conditions have to be perfect to solve mysteries.

Claims testing involves using information to make an informed decision including:

• scientific errors and gut instinct.

• limited resources and limited data

• A variety of evidence and well-trusted perspectives.

• emotional responses such as feelings.

Big History's Creation Story involves:

• humans on Earth fighting for rights.

• a cultural perspective with dance and song.

• a scientific story of the universe based on the Big Bang!

• sky, earth, stars and trees coming together.