EarthEcho International
How to Measure Dissolved Oxygen
ENGAGE: Join Ashlan Gorse Cousteau and students from Earth Force in Alexandria, VA as they measure dissolved oxygen at Four Mile Run Creek. Learn how to use PASCO instruments to record quantitative results for DO as a measure of water...
Visual Learning Systems
The Water Cycle: the Many Uses of Water
Upon viewing the The Water Cycle video series, students will be able to do the following: Define the water cycle as the continual movement of water between earth and the air. Explain that the water cycle consists of three processes:...
Curated Video
How Do Deep Sea Fish Survive the Extreme Pressure?
Fishes survive underwater pressure as they do not breathe through their lungs. Therefore, they do not have air pockets that can be compressed due to the high pressures. However, fish aren’t the only creatures found at such incredible...
TED-Ed
TED-ED: How the K_nigsberg bridge problem changed mathematics - Dan Van der Vieren
You'd have a hard time finding the medieval city K_nigsberg on any modern maps, but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with...
Curated Video
Transport of Substances in and out of Cells: Diffusion, Osmosis, and Active Transport
In this video, the concept of transport of substances into and out of cells is explained. The different ways in which this process occurs are discussed, including diffusion, osmosis, and active transport. The importance of surface area...
Curated Video
Why Do Bubbles Form In A Glass Of Water?
Water especially the one which flows through the pipe contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. As the glass filled with water sits out for a few hours, its temperature rises slightly (water gets warmer),...
Curated Video
Waves at a Boundary: Refraction, Reflection, and Transmission
This is a lecture video that explains what can happen to a wave as it encounters the boundary between two different media. The video discusses the changes in wave speed and wavelength at the boundary, as well as the phenomenon of...
FuseSchool
The Haber Process & Its Environmental Implications
Learn the basics about the Haber Process and its environmental implications.
FuseSchool
Haber Process - environmental and social considerations
Haber Process - environmental and social considerations | Chemistry | FuseSchool
Professor Dave Explains
The Aquatic Environment: Marine and Freshwater
Water covers 70% of the surface of the Earth, and serves as home to an incredible variety of living organisms. Most of that water is salty, or marine, while some is freshwater, and it is in constant motion through the hydrologic cycle....
Visual Learning Systems
Exploring Marine Biomes: Ocean Zones
Upon viewing the Exploring Marine Biomes video series, students will be able to do the following: Explain that oceans cover about 70% of Earth's surface. List some of the reasons oceans are important to the planet and to living things: -...
Crash Course
Preventing Flint - Environmental Engineering: Crash Course Engineering #29
A lot of work goes into managing our impact on the environment and its impact on us. That work is the work of environmental engineers. In this episode we’ll explore water quality, air quality, noise pollution, waste management, and more.
msvgo
Water pollution
It explains causes for water pollution, international standards for drinking water, biomagnification, eutrophication.
Bozeman Science
Respiratory System
When at rest, humans exhale about 17.5 ml of water per hour, but they lose about four times that amount during exercise. The video shows learners how worms, insects, fish and humans all respire very differently. Viewers then explore the...