Fuse School
Nitrogen Cycle
In an atmosphere that contains so much unusable nitrogen, how do organisms get the nitrogen they need to survive? The narrated video discusses how atmospheric nitrogen is converted into the materials we need to build proteins in our...
Fuse School
Extraction of Oxygen and Nitrogen from Liquid Air
Discover the process for extracting gases from the air. A 35-part lesson series continues with a discussion of fractional distillation. The instructor explains how to cool air to a liquid state and then slowly warm the air to collect...
Bozeman Science
Biogeochemical Cycling
A woman had a job crushing cans at the recycling plant; it was soda pressing. Video focuses on the ways our environment recycles, including the water cycle, carbon cycle, nitrogen cycle, and the phosphorus cycle. It also describes the...
SciShow
Great Minds: Fritz Haber
Discuss the work of Fritz Haber from chlorine and mustard gas to synthetic fertilizers. It also mentions his personal life, converting religions, and the fact that one of his discoveries was later altered into the gas that was used...
Bozeman Science
Meselson-Stahl Experiment
One human's entire DNA sequence would take up three gigabytes of storage space. Pupils explore the experiment performed by Meselson-Stahl, which proved DNA copied itself through a semi-conservative process. The instructor explains their...
Be Smart
Whose Air Do You Share?
Take a deep breath before watching this video from PBS Digital Studios that models for viewers how humans are connected through the air we share. The video explores how small the earth's atmosphere is compared to the rest of Earth.
Crash Course
Pollution
An environmental science video covers natural and synthetic compounds and the impact they have on the environment. It includes carbon, nitrogen, phosphorous, cyanide, mercury, sulfur, nitrogen dioxide, and endocrine disruptions.
Educreations
Le Chatelier's Principle
Equilibrium reactions are able to reach a steady state of products and reactants, but what happens when this careful balance is disturbed? With the help of this instructional video, young chemists learn to apply Le Chatelier's...
Curated OER
Nitrogen - Periodic Table of Videos
Nitrogen exists as a gas at earth's normal temperatures. In this video, explosive experiments are performed with liquid nitrogen. One way you could use these is to assign each student a different element to research and present to the...
University of Nottingham
University of Nottingham: Periodic Table of Videos: Nitrogen
Learn about the strong bonds that nitrogen forms and why this element can be used in explosive compounds and as a coolant. [12:53]
Khan Academy
Khan Academy: Antiparallel Structure of Dna Strands
Learn about the antiparallel structure of DNA strands which can by 5 feet to 3 feet directionality. [9:57]
Khan Academy
Khan Academy: Molecular Structure of Dna
Learn the molecular structure of DNA including the nucleotide, nitrogenous base, and phosphate. [13:00]
Khan Academy
Khan Academy: Biogeochemical Cycles Overview
Introduction to how water, carbon, nitrogen, and phosphorus are cycled through ecosystems. [7:55]
Khan Academy
Khan Academy: Ecology: Biogeochemical Cycles Overview
Introduction to how water, carbon, nitrogen, and phosphorus are cycled through ecosystems. [7:54]
Bozeman Science
Bozeman Science: Environmental Matter Exchange
Paul Andersen explains how living organisms exchange matter with the environment. The importance of the surface area to volume ratio is emphasized using a simple mathematical model. The essential chemicals for life; water, carbon,...