TED Talks
TED: How pollution is changing the ocean's chemistry | Triona McGrath
As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and in this talk...
Crash Course Kids
Who Needs Dirt?
So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt.
SciShow Kids
How to Feel Your Heart Beat
Get to know your body’s most important muscle -- your heart -- and learn how to take your own pulse!
Bozeman Science
Plant Nutrition and Transport
Paul Andersen explains how nutrients and water are transported in plants. He begins with a brief discussion of what nutrients are required by plants and where they get them. He shows you dermal, vascular and ground tissue in monocot...
Crash Course
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry
Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went...
TED-Ed
TED-ED: The law of conservation of mass - Todd Ramsey
Everything in our universe has mass - from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow...
SciShow
A History of Earth's Climate
Earth had a climate long before we showed up and started noticing it and it's influenced by a whole series of cycles that have been churning along for hundreds of millions of years. In most cases those cycles will continue long after...
Bozeman Science
The Mole
In this video Paul Andersen defines and explains the importance of the mole. The mole is simply a number (like a dozen) used to express the massive number of atoms in matter. It serves as a bridge between the mass of a compound and the...
Bozeman Science
Photosynthesis
Paul Andersen explains the process of photosynthesis by which plants and algae can convert carbon dioxide into useable sugar. He begins with a brief description of the chloroplast. He describes the major pigments in a plant (like...
Bozeman Science
The Rate-Limiting Step
In this video Paul Andersen explains why the slowest elementary step in a chemical reaction is the rate-limiting step. This step can be used to determine the overall rate law of the chemical reaction.
Crash Course
The Global Carbon Cycle - Crash Course Chemistry
In this final episode of Crash Course Chemistry, Hank takes us on a tour of the The Global Carbon Cycle and how it all works. From Carbon Fixation to Redox Reactions, it's all contained within!
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Table of Contents
The Carbon Cycle...
Bozeman Science
Energy Flow in Ecosystems
In this video Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An...
Bozeman Science
LS2B - Cycles of Matter and Energy Transfer
In this video Paul Andersen explains how matter moves from the environment into living organisms and back into the environment. Food webs are used to show how matter and energy move through organisms. Ecological pyramids show that...
Crash Course Kids
Climate Change
How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw...
Bozeman Science
Naming Compounds - Part 1
Mr. Andersen shows you how to name covalent and ionic compounds.
Bozeman Science
Human Population Impacts
In this video Paul Andersen talks about the impacts of human growth on the environment and on themselves. The population, affluence, and destructive technology of a population impact the environment according to the IPAT equation. An...
Crash Course
Mars
The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to...
Bozeman Science
Ecosystems
Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually leads to logistic growth. Real data from Yellowstone...
Curated Video
The Incredible Role of Plants and Alveoli in Sustaining Life
New ReviewThis video highlights the amazing capabilities of plants and the importance of photosynthesis in sustaining life on Earth. It also explains the process of human respiration, detailing the intricate structure of the lungs and the role of...
Curated Video
What is a monosaccharide
New ReviewMonosaccharides are the simplest forms of carbohydrates. Their classification, structure and examples are going to be discussed in this video.
Curated Video
Landmarks - Antarctica
New ReviewANTARCTICA ANTARTICA IS A STOREHOUSE OF EARTH HISTORY AND CONTAINS MANY CLUES ABOUT ITS POSSIBLE FUTURE. STUDYING SECTIONS OF ICE CORE GOING BACK 800,000 YEARS, SCIENTISTS AT THE BRITISH ANTARCTIC SURVEY HAVE COME TO SOME STARK...
Curated Video
Arctic Climate Change: Impacts and Urgent Call for Action
New ReviewThis video highlights the alarming effects of global warming on the Spellbard region of the Norwegian Arctic. It discusses the rapid changes occurring due to excessive carbon dioxide emissions, including the potential extinction of polar...
Curated Video
Global Warming and Climate Change: Urgent Action Needed for a Sustainable Future
New ReviewThis video highlights the alarming effects of global warming, specifically focusing on the breaking up of ice shelves in the Antarctic and the destruction of forests. It emphasizes the urgent need for accessible information and a...
Curated Video
What Will Earth Look Like When These 6 Tipping Points Hit?
New ReviewA “tipping point” is when a system, with just a small amount of additional energy, is pushed from one stable state to another suddenly and dramatically. This can be a chair falling backwards. Or it can be a major earth system collapsing....