Physical Science 42

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Planet Earth I

Earth, our home, is the third planet from the sun. It is the only planet known to have an atmosphere containing free oxygen, oceans of liquid water on its surface, and, of course, life.


Day 1 – Introduction
Day 2 – Virtual Textbook


7:21 Everything You Need to Know About Planet Earth

4:51 Why Does The Earth Have Layers?

5:05 Inside the Earth | IkenEdu



Cartography, the study and practice of map-making, has historically been a discipline devoted to depicting Earth. Surveying, the determination of locations and distances, has developed alongside cartography. Results from both of these traditional practices are largely available “at the click of a button” on smartphones.

  • Position A: Technology advances (such as applications on the smartphone) have made the discipline and study of cartography and surveying obsolete.
  • Position B: Even though smartphone users can access cartography and survey information quickly and easily, the need for these important skill remains the same.

Instructor Resources

Standard Daily Material
  • Day 1 – Standard material – introduction day
  • Day 2 – Standard material – reading day
  • Day 3 – Standard material – make a presentation
  • Day 4 – Standard material – give a presentation
  • Extra! – Enrichment and remediation options
Other Topic Specific Resources
  • PS42 Bellringer Plate Tectonics.tnsp
  • PS42 Bellringer Earths History.tnsp
  • PS42 Pangaea Continent Puzzle.tns
  • PS42 Ring of Fire.tns
  • PS42 Sea Floor Spreading.tns

Special Notes and Notices

Instructor Emphasis:

  • Science & Engineering Practice: Analyze and interpret data.
  • Cross-Cutting Concept: Scale, Proportion, and Quantity.