Life Has A History
In this biology learning exercise, learners identify and match various classes of species found today. Then they explain why biodiversity exists today on earth and define evolution. Students also describe who a paleontologist is and what they do.
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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
New Review 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
Migrations and Intensification: Crash Course Big History #7
What happens when the earth reaches its carrying capacity of humans? As human populations grow, societies change from hunters and gatherers to agriculture to the industrial age and beyond. A video takes a global perspective of migration...
14 mins 9th - Higher Ed Science CCSS: Adaptable
Everything, The Universe...And Life
Are we alone? With thousands of exoplanets orbiting stars near and far, it's a question that has plagued astronomers for many years. Examine the facts and probabilities in a thought-provoking video. The narrator discusses the search for...
11 mins 9th - Higher Ed Science
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
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
What Can You Learn From Ancient Skeletons?
Skeletons may not be able to speak, but they can still tell us a lot. High schoolers watch a short video about the ways biological anthropologists can use a skeleton's bone structure to determine age, gender, place of birth, and social...
4 mins 6th - 12th Science CCSS: Adaptable