SciShow
Chernobyl's Radioactive Wild Boar Paradox
After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...
SciShow
How Kodak Discovered Radioactive Rain
The Trinity Test had some unexpected consequences, including the creation of radioactive rain found hundreds of miles away from the test site.
SciShow
Venomous Mammals, Sensory Receptors & the Moon's True Origin Story
Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...
Bozeman Science
Atomic Nucleus
In this video Paul Andersen explains how the structure of the nucleus influences the properties of the atom. The number of the protons determines the kind of element. Isotopes are formed when the number of protons remain the same but...
Bozeman Science
Radiocarbon Dating
Mr. Andersen explains how carbon-14 dating can be used to date ancient material. The half-life of radioactive carbon into nitrogen is also discussed.
Bozeman Science
Half-Life and Radioactive Decay
In this video Paul Andersen explains how a radioactive nuclei can decay by releasing an alpha, beta, or gamma particle. The exact moment of decay for each nuclei can not be determined but probability is useful in predicting the...
Curated Video
Half-life
Originally used in relation to radioactivity, describing the time required for half the atoms of a radioactive substance to decay. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
The Elements: Uranium
Discover the vital role uranium plays in nuclear technology. Chemistry - Periodic Table - Learning Points. Uranium was discovered in 1789. Uranium was named after the planet Uranus. Uranium is weakly radioactive. Uranium is important in...
Curated Video
Radioactive Half-Life
Discover how radioactive substances change over time, and how this affects whether they are hazardous to humans. Physics - Energy And Radioactivity - Learning Points. Dangerous radioactive substances will not be dangerous forever due to...
Curated Video
Captivating Illustrations of First-Order Reactions
Illustration of First Order Reaction. First Order Reactions part 2
Curated Video
Move Quickly : Exploring First-Order Reactions
First Order Reaction, integrated expression. First Order Reactions part 1
Curated Video
GCSE Physics - Radioactive Decay and Half Life #35
This video covers: - How radioactive decay works - What activity means - The two definitions of half-life - How to show radioactive decay on a graph - How we can find the count rate with a Geiger–Müller tube - Example calculation for...
Next Animation Studio
White House official says new research shows sunlight, humidity help kill coronavirus
Direct sunlight and high humidity can kill the coronavirus in minutes, according to new research announced on April 24 by a senior U.S. official in a press conference with President Donald Trump.
Professor Dave Explains
Practice Problem: Radioactive Half-Life
All radioactive nuclei have a particular half-life, or the time it takes for their concentration to be cut in half. Given the half-life of one such nuclide, can you find the decay constant, and the fraction of nuclei left over after a...
Curated Video
Understanding Radioactive Half-Life
This video explains the concept of half-life in relation to radioactive decay of isotopes. It discusses the two ways in which half-life can be defined and how the random nature of radioactive decay gives rise to the idea of half-life....
msvgo
Radioactivity
This nugget explains the concept of radioactivity, its types and mathematical expressions and examples.
msvgo
Integrated Rate Equations
It explains zero order reaction and derives its rate constant. It describes the first order reaction rate constant. It discusses about half-life of a reaction.
Monterey Institute for Technology and Education
National Oceanic and Atmospheric Administration: Seamounts
Explore the geologic features called seamounts. This video explains where they are located and why they are inhabited with a great variety of organisms. An enrichment activity will challenge you to use radiometic dating to figure out the...
Khan Academy
Khan Academy: Half Life of a First Order Reaction
Understand how to derive the half-life equation of a first-order reaction starting from the integrated rate law. [8:12]
Khan Academy
Khan Academy: First Order Reaction Example
An example of how to use the integrated rate law to solve for time and concentration. Understand how to calculate the half-life for a first-order reaction. [10:15]
Khan Academy
Khan Academy: Rate Constant K From Half Life Example
An example problem shows how to find the rate constant k from the half-life of a first-order reaction. [6:10]
Khan Academy
Khan Academy: Half Life of a Second Order Reaction
Recognize how to derive half-life equation of a second-order reaction starting from the integrated rate law. [7:04]
Khan Academy
Khan Academy: Second Order Reaction Example
Review this example of using integrated rate law to solve for concentration, and calculating the half-life for a second-order reaction. [8:03]
Khan Academy
Khan Academy: Half Life and Carbon Dating
Carbon dating is a real-life example of a first-order reaction. This video explains half-life in the context of radioactive decay. [12:28]