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Investigations

 

How Do We Know about Layers Deep within Earth?
Keycode: ES0402

 

What Time Is It?
Keycode: ES0405

Unit Investigations

 

Paper or Plastic—Which Type of Bag Is Better for the Environment?
Keycode: ESU201

Visualizations

 

Observe an animation showing the origin of the solar system.
Keycode: ES0401

 

Observe evidence of Earth rotating about an axis.
Keycode: ES0403

 

Explore a model of Earth's daily rotation.
Keycode: ES0404

 

Observe the view of the night sky from the same location over a year.
Keycode: ES0407

 

Explore a model of Earth's yearly revolution around the sun.
Keycode: ES0408

Data Centers

 

Learn more about how time is measured.
Keycode: ES0406

 

Learn more about methods of keeping time.
Keycode: ES0409

Careers

 

Careers for all chapters

Local Resources

 

Local Resources for Unit 2

 
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