Bozeman Science
Concept 6 - Structure and Function
Paul Andersen explains how the structure of objects are related to their function and vice versa. He begins with a quick quiz on bicycle construction and ends with a progression of teaching for students grades K-12. He also explains how...
SciShow
How Recycling Works
Join SciShow as we explore what happens to your stuff after you toss it into the little green bin with the arrows on it.
TED-Ed
TED-Ed: Can steroids save your life? | Anees Bahji
Steroids: they're infamous for their use in sports. But they're also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these medicines aren't the same as those used to build muscle....
Curated Video
Types of Mutagens: Phycial, Chemical & Biological
Mutagenesis is the process of inducing mutations using physical, chemical, or biological mutagens, though mutations can also occur spontaneously during DNA replication. Physical mutagens include ionizing radiation (X-rays, gamma rays)...
Curated Video
Sp² Hybridization in Ethene: The Secret of Double Bonds
Hybridization Process: Carbon atoms undergo sp² hybridization, mixing one 2s and two 2p orbitals to form three sp² hybrid orbitals arranged in a trigonal planar geometry (120° bond angles). Bond Formation: Two sp² orbitals form sigma (σ)...
Curated Video
BF₃ and the Incomplete Octet: A Bonding Exception
Boron trifluoride (BF₃) is an exception to the octet rule, where boron has only six valence electrons, leading to unique reactivity and electron-deficient behavior
Curated Video
Elements vs Alloys
We compare melting points of lead and tin to the melting point of their alloy, solder. By timing how long it takes samples of each to melt, we discover that the melting point of solder is actually lower than those of both lead and tin....
Wonderscape
Matter's Makeover: Unraveling Physical and Chemical Changes
Delve into the fascinating differences between physical and chemical changes in matter. This video explains how physical changes alter the form but not the chemical composition, using examples like melting butter and chopping vegetables....
Schooling Online
Chemistry Properties and Structure of Matter: Properties of Matter - Naming Allotropes
This lesson will present the rules for writing the names and chemical formulae of elements and their allotropes.
Definitions included: chemical structure, ionic lattice, metallic lattice, molecule, covalent network, solitary atom,...
Professor Dave Explains
Practice Problem: Assigning Molecular Structure From an NMR Spectrum
For this one we need to be able to interpret NMR data in order to arrive at the correct molecular structure based on an empirical formula. It's not as hard as it sounds!
Mazz Media
Liquid
This live-action video program is about the word liquid. The program is designed to reinforce and support a student's comprehension and retention of the word liquid through use of video footage, photographs, diagrams and colorful,...
Learning Mole
What are Detergents
This human body video lesson is all about detergents and how they work. Students will love this engaging and interactive video as they learn about science they can do at home.
Curated Video
Is the response to Coronavirus enough?
The virus is spreading around the world and countries are closing their borders and banning travel in an attempt to contain the outbreak.
Getty Images
Suzuki reaction. Animation showing the Suzuki reaction, a chemical reaction that forms a carbon-carbon bond between two molecules.
Carbon-carbon bond formation is extremely important in organic synthesis, and the 2010 Nobel Prize for Chemistry was awarded to Akira Suzuki (and Richard Heck and Ei-ichi Negishi) for his work on the reaction that bears his name. This...
Getty Images
The double-helical configuration that DNA strands reside in makes them difficult to separate, and yet they must be separated by helicase proteins if other enzymes are to transcribe the sequences that encode proteins, or if chromosomes are to be replicated
The double-helical configuration that DNA strands reside in makes them difficult to separate, and yet they must be separated by helicase proteins if other enzymes are to transcribe the sequences that encode proteins, or if chromosomes...
Getty Images
Mannose sugar molecule. Mannose is a monosaccharide sugar that forms part of some carbohydrates. It has little if any biological role, and is excreted unchanged. Atoms are colour-coded here: carbon is black, oxygen red and hydrogen grey
Mannose sugar molecule. Mannose is a monosaccharide sugar that forms part of some carbohydrates. It has little if any biological role, and is excreted unchanged. Atoms are colour-coded here: carbon is black, oxygen red and hydrogen grey
Getty Images
CU View of human growth hormone protein molecular structure / Oxford, Oxon, United Kingdom
CU View of human growth hormone protein molecular structure / Oxford, Oxon, United Kingdom
Getty Images
Animation showing rotation of diamond crystal lattice structure. Shown in yellow is single unit structure of a central carbon atom connected to 4 other carbons
Animation showing rotation of diamond crystal lattice structure. Shown in yellow is single unit structure of a central carbon atom connected to 4 other carbons
Getty Images
Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight or flight response
Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight...