Bozeman Science
Lewis Diagrams and VSEPR Models
In this video Paul Andersen explains how you can use Lewis Diagrams and VSEPR Models to make predictions about molecules. The Lewis diagrams are a two-dimensional representations of covalent bonds and the VSEPR models show how the...
SciShow
Why Does Rain Smell?
Almost everyone loves the smell of rain, but where does the smell come from? Join Quick Questions as we stop and smell the chemistry!
TED Talks
TED: Every day you live, you impact the planet | Jane Goodall
Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she...
SciShow
Healing Ozone & Studying Ecstasy
The ozone appears to be healing itself but there's still plenty of research to be done to stay green! -And researchers are wanting to study MDMA.
SciShow
Weird Places The Endless Lightning at Lake Maracaibo
During peak thunderstorm season, Lake Maracaibo has an average of 28 lightning strikes per minute hit its surface. But why?
Bozeman Science
Air Pollution
In this video Paul Andersen explains how air pollution is any chemicals in the atmosphere that negatively affect human health. Primary pollutants (like CO, VOCs, NOx, SO2, PM, and Lead) as well as secondary pollutants (like Ozone, nitric...
Bozeman Science
Stratospheric Ozone
In this video Paul Andersen explains how stratospheric ozone protects humans from ultraviolet light. He explains how stratospheric ozone is formed when diatomic oxygen absorbs an ultraviolet photon and is split into two free oxygen...
SciShow
What Makes Fresh Air Fresh?
There's nothing like the crisp fresh air of a spring morning, especially compared to the musty weird air in your smelly old house... But why is the air outside so much more pleasing? And can you make inside-air just as fresh and nice?
TED-Ed
TED-Ed: The science of smog - Kim Preshoff
On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was...
Bozeman Science
The Atmosphere
In this video Paul Andersen explains how the atmosphere surrounds the planet. The state of the atmosphere is climate and is affected by unequal heating, the Coriolis Effect, and the ocean. Convection cells and ENSO are discussed in detail.
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
Curated Video
ENVISAP: Monitoring the Ozone Layer and Ultraviolet Radiation
The Envy Sat satellite, launched in 2002, is a powerful tool for monitoring the Earth's oceans, land ice caps, and atmosphere. It specifically focuses on studying the ozone layer and its seasonal gaps that allow higher levels of...
Curated Video
Monitoring Atmospheric Pollution: The Role of Skier Marquis Satellite
This video discusses the role of pollution, specifically nitrogen dioxide, in global warming and climate change. It highlights the use of the Skier Marquis instrument, which measures atmospheric contaminants and provides high-resolution...
Curated Video
Ozone layer
A layer in the Earth's atmosphere at 13 to 20km altitude with an unusually high concentration of ozone gas. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Oxidiser
A chemical agent that readily releases oxygen atoms, or that readily gains electrons in a redox reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Pollution: Air
What are the major atmospheric pollutants and where do they come from? Discover what air pollution means for the environment and how it affects humans, from smog to acid rain. Earth Science - Human Impacts - Learning Points....
Curated Video
The Ozone Layer
The world has already faced a major global climate challenge: the hole in the ozone layer, discovered in 1985. Find out what ozone is, why it's important, and how the ozone hole is being repaired. Earth Science - Human Impacts - Learning...
Curated Video
Erosion of Ozone Layer and Global Warming: The Global Warming Phenomenon
By the end of this learning object, the student will be able to: Explain the Global warming phenomenon.6178
Curated Video
Erosion of Ozone Layer and Global Warming: The structure of the Ozone Layer
By the end of this learning object, the student will be able to: Recognize the structure of the ozone layer and the formation of the ozone gas.4437
Curated Video
Atmospheric Layers: The concept of Atmospheric Layers
By the end of this learning object, the student will be able to: Recognize the atmosphere. Identify the concept of atmospheric layers. Identify the characteristics & importance of atmospheric layers.4434
Wonderscape
The Ozone Layer: Earth's Natural Sunscreen Under Threat
Explore how chemicals like chlorofluorocarbons (CFCs) impact the ozone layer, which acts as the Earth's natural sunscreen by absorbing harmful ultraviolet rays. Understand the environmental consequences of ozone depletion, including...
Healthcare Triage
Climate Change, Particulate Pollution, and Air Quality
We’re back with another episode on climate change and health, and this time we’re looking at some of the indirect health effects, with a focus on how things like air pollution and allergens arise from a warming planet and make us sick,...
Curated Video
The Ozone Layer and Hole
More than 90 percent of the Earth s ozone exists in the lower reaches of the stratosphere, between 13 and 20 kilometres up. Known as the Ozone layer it acts as a filter that absorbs between 93 and 99 percent of the high energy...
Curated Video
Understanding the Ozone Layer: Threats and Monitoring
This video highlights the ongoing threat to the Earth's ozone layer due to the impact of man-made chlorofluorocarbons (CFCs). It explains how the depletion of ozone, particularly above Antarctica, is monitored and tracked by scientists...