The History of Life
In this history of life worksheet, students explain how fossils form and how they can be interpreted. Students fill in the missing eras and periods in the geologic time scale provided.
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A Brief History of Life: When Life Exploded
Dimetrodon is generally featured in children's books about dinosaurs even though it wasn't a reptile and lived in an earlier era than dinosaurs. The way life developed wasn't as smooth as many people think. The video focuses on the...
11 mins 9th - 12th Science CCSS: Adaptable
Life Begins: Crash Course Big History #4
Scientists try to understand the origins of life, and answers to these questions might be found during our lifetime. The fourth video in a 16-part series explains the earliest forms of life on Earth and their development. It covers...
13 mins 9th - Higher Ed Science CCSS: Adaptable
Why Star Stuff Matters: Crash Course Big History #202
Carbon makes all life on Earth possible, not to mention most technology and progress. The 12th video in a 16-part series explains the significance of being made of star stuff. From the formation of chemical elements to the rise in...
11 mins 9th - Higher Ed Science CCSS: Adaptable
A Brief History of Life: Survival Is Hard
When did life start on Earth? An enchanting video introduces some of the earliest times in the history of our planet. From rocks that no longer exist to the development of oceans and plate tectonics, The resource details the first couple...
9 mins 9th - 12th Science CCSS: Adaptable
A Brief History of Geologic Time
How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...
12 mins 6th - 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
Three Domains of Life
Isn't a domain already a set of values, a territory, part of a web address, and an area of magnetism? In the last video, the instructor walks learners through a history of life on Earth. Scholars then see the seven characteristics of all...
7 mins 9th - 12th Science CCSS: Adaptable
The Ancient Ingenuity of Water Harvesting
Water is essential to life on earth. How is it then, that people can survive in desert regions with very limited access to fresh water? Through ingenious architecture and engineering, communities in India's Golden Desert have been able...
17 mins 7th - 12th Science CCSS: Adaptable