Week 9

What did you do in lab today?

- In lab we did a Kahoot as a review for our exam this week. 

-  Hypothesis when you think these things first happened

1. Humans appeared 

2. Dinosaurs ruled the earth 

3. First land plants 

4. First land animals

5. Moon was created

Correct order:

1. Moon was created 

2. First land animals 

3. First land plants  

4. Dinosaurs  

5. Humans appeared 

We used https://media.hhmi.org/biointeractive/earthviewer_web/earthviewer.html and found earth events and made a timeline across our classroom and had to put different events on this timeline. The events we did are: 

- Snowball Glaciations - geological event 

- Rodinia - geological event 1 billion years ago

- Acraman - impact events

Majority of the earth’s events have happened in the last 500 millions years

2.What was the big question?

- how presidential elections are impacted by a 100 million year old coastline

3.What did you learn in Thursday’s discussion?

No lecture- exam.

4.Read the online textbook: https://pressbooks.uiowa.edu/methodsii/chapter/earth/

1.What did you learn?

- Earth was formed about 4.65 Billion years ago. 

- In the entirety of Earth’s events on a clock, humans would appear at 11:59:40 PM.

-  4 billion years ago: The first life on Earth was simple, prokaryotic bacteria.

- 600 million years ago: Aquatic plants and animals evolved. It is likely that life originated in water because it offered early organisms more temperature stability compared to land, currents provided early movement, and they didn’t have to fight gravity.

- 500 million years ago: Huge period of evolution and diversification of life known as the Cambrian Period.

- 400 million years ago: Terrestrial plants and animals evolved.

- 65-250 million years ago: Dinosaurs lived during the Mesozoic Era.

- 200,00-300,000 years ago: Homo sapiens, early ancestors of humans, evolved.

Snowball earth: When the earth was almost entirely covered in ice and snow. It was hard for the sun to heat it up because the sun would just reflect off of the snow because it was white. 

2.What was most helpful?

I think it was helpful to have the actual science standard that goes with the chapter in the chapter. 

3.What do you need more information on?

Why the land drifts and moves around, why Pangea happens. Is it because of the plate tectonics? 

5.What questions, concerns, and/or comments do you have?

None