A brief overview of the Earth's current atmosphere, theories of past atmospheric compositions and an introduction to anthropogenic impacts on the atmosphere today.


  • Science > General
  • Science > Earth Science
  • Science > Geology
  • Science > Physical Sciences

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10


plate tectonics geology mantle core crust planets sun weather climate extinction change evolution



Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0
Update Standards?

SCI.7.9.A: Science

analyze the characteristics of objects in our solar system that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere; and
Curriki Rating
On a scale of 0 to 3
On a scale of 0 to 3

This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2009-06-26.

Component Ratings:

Technical Completeness: 3
Content Accuracy: 3
Appropriate Pedagogy: 3

Reviewer Comments:

This unit is contains a series of hands-on and minds-on activities for learning about the history of life on Earth. Topics include geological time, radiometric dating, fossils and various mass extinctions. Each lesson includes an introduction, suggested timeline, learning objectives, guiding question(s), materials list, clear procedures, and suggestions for concluding activities. Rubrics are included for the two projects. This unit is intended for middle school or early high school students, but could be adapted for use at a variety of grade levels. These activities are well organized and immediately useful in the classroom using simple, readily accessible materials.

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