Touring Through the Beginning of Earth

On April 22, 1970 over 20 million Americans participated in the first Earth Day. But why? The beginnings of what is now a world-wide event, celebrated in over 190 countries to support environmental awareness and protection, are the focus...

Young scientists learn what it takes for life on Earth to survive with this series of photosynthesis resources. Offering twelve different activities ranging from independent practice worksheets to in depth scientific experiments, this...

Ready to begin cell biology in a grand fashion? Start the adventure using a short but thorough video from a vast biology playlist! From prokaryote to eukaryotes, Golgi to chloroplast, the narrator guides viewers through the cell membrane...

Planet Earth has come a long way from its dramatic beginnings. How long did all of these changes take? Science sleuths unravel the often-tangled timeline of our progress from single-celled sea creatures to world-traveling homo sapiens in...

In this colorful animation, our current problem with climate change is likened to a block-stacking game of Tetris. Greenhouse gases are increasing in the atmosphere at an increasing rate. Can we place them properly before it's too late?...

What is energy, anyway? Use this featurette as an introduction to your middle school energy unit. It successfully touches each of Earth's physical systems, the sun as our main source of energy, and the flow of energy through the food...

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...

This clip is more than perfect as a Google Earth tutorial for your next trip to the computer lab. It begins with a wonderful description of the moon from astronaut Harrison Schmidt and moves into a tutorial on how to use Google Earth to...

Learners arrange various pictures of the Earth to identify its journey through space. In this Earth's rotation lesson, students use models of the Earth and demonstrate its journey through space. Learners complete the worksheet about the...

Pairs of learners choose an earth scientist from an extensive list. They collect information by researching online or in books about the childhood, education, and major contributions made by their chosen scientist. When they present...