The Origin of Life
In this origin of life worksheet, students write answers to five questions. They describe characteristics of the first life forms and how scientists believe oxygen accumulated in the Earth's atmosphere.
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A Quick Look at the History of Life on Earth or The History of the World, Part 1
Give your earth scientists or evolutionary biologists a very brief overview of the history of planet Earth using this presentation as a support. A slide explores the big bang theory and one describes the formation of our solar system. A...
9th - 12th Science
Origin and Evolution of Life, Part 1
Start a class exploration explaining the origin of evolution and life on planet Earth with the first of a five part series. Episode one examines the KT Boundary and what it meant in terms of mass extinction. It explores evidence and keys...
10 mins 9th - 12th Science
The Origin of Life - Scientific Evidence
Guess where the oldest rocks on Earth are found? And what do these rocks reveal about the age of the earth? Viewers of this short video analyze the age of the earth and explore the origin of life through geologic, chemical, and...
14 mins 9th - 12th Science CCSS: Adaptable
Could Comets Be the Source of Life on Earth?
For thousands of years people have observed comets as they pass through the solar system, but could there be more to these celestial bodies than meets the eye? Watch this video to learn how these objects have recently been found to...
4 mins 7th - 12th Science CCSS: Adaptable