FuseSchool
Acid + Metal Carbonate
In this video we will explore the reaction between acids and metal carbonates. Recall that an acid is a chemical that contains a special type of hydrogen that can be released into aqueous solution as a hydrogen ion, H+. Most metal...
Catalyst University
Mechanisms of Oxygen Dissociation from Hemoglobin
In this video, we discuss 4 mechanisms by which oxygen's affinity for hemoglobin decreases, facilitating increased oxygen delivery to tissues. [1] Heat [2] Bohr Effect [3] Haldane Effect [4] 2,3-BPG
NASA
The Faint Young Star Paradox: Solar Storms May Have Been Key to Life on Earth
Our sun's adolescence was stormy—and new evidence shows that these tempests may have been just the key to seeding life as we know it on Earth. Credit: NASA/Goddard/Genna Duberstein on / /
NASA
Gravity Assist: Gravity Assist Podcast, The Sun with Nicky Fox
We start our “Gravity Assist” virtual tour of the solar system with – where else – the Sun! Jim is joined by Project Scientist Dr. Nicky Fox of the Johns Hopkins University Applied Physics Lab to talk about our fascinating star and...
NASA
NASA | In Katrina's Wake
Hurricane Katrina took the world by storm when it ravaged Louisiana and surrounding states in late August of 2005. Katrina's effects were far reaching, and researchers continue to uncover new areas of devastation left in her wake. Using...
Professor Dave Explains
IIT/JEE Chemistry Practice #25: Enthalpy of Formation
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Catalyst University
The Basics of Pulmonary Circulation
In this video, we cover the parts and purpose of pulmonary circulation as it relates to the respiratory system.
NASA
Plants Are Struggling to Keep Up with Rising Carbon Dioxide Concentrations
Plants play a key role in mitigating climate change. The more carbon dioxide they absorb during photosynthesis, the less carbon dioxide remains trapped in the atmosphere where it can cause temperatures to rise. But scientists have...
Professor Dave Explains
Practice Problem: Four-Reaction Pathway
We are starting with benzene, we do four reactions, and what do we get? See if you can get the right answer!
Curated Video
The Cycling of Life: Understanding the Carbon, Water, and Organic Material Cycles in Ecosystems
This video discusses the importance of material recycling in ecosystems, specifically focusing on the carbon and water cycles and the process of decomposition. It explains how plants play a crucial role in the carbon cycle by removing...
Professor Dave Explains
Elemental Analysis: Empirical and Molecular Formulas
There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!
msvgo
Respiratory System of Earthworm, Cockroach and Frog
This nugget describes the respiratory organs and the different modes of respiration seen in an earthworm, cockroach and a frog.
Wonderscape
Science Kids: The Amazing Circulatory System
This video is an educational lesson about the circulatory system. The teacher explains how the circulatory system works, including the functions and parts involved. The video covers topics such as the role of the heart, blood vessels,...
Curated Video
Identifying Gases: Tests and Results
The video describes various tests that can be used to identify different gases. The narrator goes through four different gases, hydrogen, oxygen, carbon dioxide, and chlorine, and explains how to identify them. The video goes on to show...
Institute of Human Anatomy
The Science of Flatulence: Where Does Gas Come From and Why It Matters
In this video, we learn about the sources of flatus or gas in the digestive tract, how it is produced, and the potential dangers associated with it. The host uses humor and medical terminology to explain the science behind this bodily...
The Backyard Scientist
Dry Ice Hoverboard (D.I.Y. REAL Hoverboard)
Today I make a REAL hoverboard out of dry ice! It doesn't lift you high into the air like back to the future, but it perfectly emulates the feeling! Its just a wooden board with a rim around the edge to hole 3 blocks of dry-ice in place....
FuseSchool
Covalent Bonding In Carbon Dioxide
Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. Combustion is how a lot of people in the world heat their homes and power their cars. It also unfortunately contributes to the...
FuseSchool
Exchange and transport systems in animals
Imagine if it took a couple of months for the oxygen we breathed to reach our cells. Well, if we relied on diffusion alone for oxygen to get to the tips of our toes, it would take about this long. By this time, our cells would have died....
msvgo
Oxygen and Carbon Dioxide
It explains that air is present in water and soil. It also talks about the interdependence of plants and animals for oxygen and carbon dioxide.
Curated Video
I WONDER - What Happens To The Air That We Breathe?
This video is answering the question of what happens to the air that we breathe.
Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
FuseSchool
What Is The Carbon Cycle - Part 2
Watch part 2 of the videos on the Carbon Cycle, as a part of environmental chemistry. Photosynthesis and respiration help carbon to be cycled in nature by using energy from the sun. As living things grow, they have to build up large...
Science360
Are There Surprises In The Carbon Cycle? - The Carbon Cycle
Are there surprises in the carbon cycle that could lesson climate warming or make it much worse?
Curated Video
Nutrition and Energy Flow Part 2
In this section, I talk about the sun as a source of energy, consumers vs. producers and cycles found in nature