Socratica
Chemistry: What Is an Ionic Bond?
Teach your class all they want to know about ionic bonds. An engaging video, part of the Socratica "Chemistry Lessons" playlist, explains what ionic bonds are and how they form. It describes multiple examples of ionic bonds and...
Socratica
Chemistry: Balancing Chemical Equations—Algebraic Method
If you love algebra, then you're gonna love this balancing method! Introduce young chemists to the algebraic method of balancing chemical equations using a video from an informative chemistry playlist. The narrator works five...
Socratica
Chemistry: Percent Composition
How much oxygen is in water? Is it the same as the chemical formula? Learners observe the differences between a substance's formula and its percent composition with a video from Socratica's Chemistry Lessons series. The narrator...
TED-Ed
What Is Fat?
An animated fat molecule explains how some fats are beneficial and some are harmful. He describes triglyceride molecules and how the chemical bonding or overall shape determines the health value of each individual type of fat. This...
PBS
How Two Microbes Changed History
Where would we be without bacteria? As it turns out, we owe them everything! Introduce young biologists to endosymbiotic theory using an amazing video from an extensive biology playlist. Scholars discover the bacteria that may be...
Be Smart
3 Incredible Examples of Evolution Hidden in Your Body
Human traits trace back to simpler species—such as chickens, for example. Using the human genomes, scientists connect these traits to their ancestral origins. A video presentation highlights the structure of human DNA and makes a...
Howard Hughes Medical Institute
Prialt Blocks Motor Synapse in Fish
Have you ever wondered how to paralyze a fish? The cone snail produces venom that works, but what happens at a molecular level? A calcium channel blocker prevents muscle movement, enabling the slow-moving snail to catch faster, larger...
Education Development Center
What's Cooking? Carbohydrates
Chef Jamika is at it again, highlighting math and science in her cooking demonstrations. In this episode, ratios and fractions are introduced within the main topic of carbohydrates and the direction for making succotash! The general...
Khan Academy
Introduction to Heredity
Young scientists generally love to learn how certain traits can be explained by a direct combination of alleles from their parents. Here, they can examine how a phenotype is often expressed when one allele is recessive and the other is...
Socratica
Chemistry: Introduction to Unit Conversion and Dimensional Analysis (Part 2)
If you know how much carbon dioxide you produce in one breath, can you figure out how much you produce in one month? Socratica helps solve multi-step unit conversion problems. The video walks through how to set up these challenges and...
Socratica
Chemistry: What Is a Covalent Bond? (Polar and Nonpolar)
When it comes to covalent bonding, sharing is caring! As part of the Socratica chemistry playlist, a useful video explains the definition of covalent bonding. Then, it works through examples of single bonding, double bonding, polar...
Howard Hughes Medical Institute
Lactose Digestion in Infants
Milk meets every single nutritional need for a baby in the first six months of life. Observe how an infant's small intestine breaks milk lactose down into a usable form of nutrition. With the help of an animation, viewers see the process...
Howard Hughes Medical Institute
Cloning an Army of T Cells for Immune Defense
How do bodies fight infections and illnesses? An animation of the way T cells clone to fight an infection provides many details. The resource also provides an excellent written introduction and ideas for how to ensure pupils understand...
Howard Hughes Medical Institute
Repellant Ephrin Signals Guide Limb Innervations
The foot bone connects to the leg bone, but how? Learn about how neurons grow in the proper direction thanks to signalling. Observe what happens when they encounter a repulsive ephrin signal and the correction process that takes place.
Howard Hughes Medical Institute
Neurons in Parietal Cortex Are Active During Straddling
How do scientists know which parts of the brain various functions use? With the help of an animated cat, viewers observe this process. They listen to the activity of one neuron as the cat steps over an obstacle and hear when the neuron...
Curated OER
STEMbite: Diffusion
A biology or physical science class would benefit from viewing this video on diffusion and molecular motion. Mr. Vanden Heuvel plays with food coloring in drinking glasses, showing that the faster the water molecules are moving due to...
Howard Hughes Medical Institute
Measuring Circadian Activity in Drosophila
How many hours should be in a day? One species of drosophila naturally prefers a 24.5 hour day, while another strongly prefers a 19-hour day. An animation and graph share data from each of these species when exposed to the typical light...
Socratica
Chemistry: Average Atomic Mass (AMU, Daltons, etc.)
Scientists created a new measurement, the atomic mass unit, which is defined as carbon 12 = 12amu. So why isn't carbon listed as having exactly 12 amu on the periodic table? An installment from the Socratica chemistry playlist answers...
Khan Academy
Khan Academy: Central Dogma of Molecular Biology
This video lesson is designed for Class 12 Biology (India). This video lesson explains the central dogma of molecular biology, as explained by Watson and Crick.
CK-12 Foundation
Ck 12: Central Dogma of Molecular Biology: The Central Dogma
[Free Registration/Login may be required to access all resource tools.] Set to dramatic music, this captioned video shows a graphical representation of the transcription of DNA to proteins. [10:46]
Khan Academy
Khan Academy: Biology: Macromolecules: Proteins: Introduction to Amino Acids
Understand why the central dogma of molecular biology is amino acids with this video. [9:53]
Khan Academy
Khan Academy: Central Dogma Revisited
This video lesson is designed for Class 12 Biology (India). This video lesson explains how new discoveries have expanded or contradicted the original central dogma of molecular biology as proposed by Watson and Crick. These discoveries...
Massachusetts Institute of Technology
Mit: Blossoms: Using Dna to Identify People
This lesson focuses on the molecular biology technique of DNA fingerprinting: what it is, how it works, and how the data from these experiments are used for paternity testing and forensics. [45:48]
Khan Academy
Khan Academy: Biology: Macromolecules: Molecular Structure of Rna
Learn the basics of the molecular structure of RNA in this video. Video discusses structure as well as compares the structure of RNA vs. DNA. [11:29]