If your blood pressure is 140/90 or higher, you need to get it down! The good news is that many of the steps you can take are painless, and some are downright enjoyable.

The sodium-potassium pump uses active transport to move molecules from a high concentration to a low concentration. The sodium-potassium pump moves sodium ions out of and potassium ions into the cell. This pump is powered by ATP. For...

Ready for action? Time to get your neurons firing with some action potential. If you thought resting potential was tough to understand, it seems like action potential is that much more difficult. However, thanks to Alie Astrocyte, we...

Isotopes are just different atoms that represent the same element but have a different mass. In this video, students will learn what is an isotope and how to tell the difference between isotopes of different atoms. This video will make...

In this video we are going to look how to name binary ionic compounds. These compounds deal with the ionic bonding of 2 different elements. Remember that an ionic compound is formed between a metal and a nonmetal or a cation and an...

Electron Configurations are essential to chemistry and they help us better understand and explain the position/location of electrons. Writing electron configurations can be daunting at first but once you see the pattern, you will be able...

In this video we walkthrough 3 limiting reactant practice problems step by step and show you how to solve them!

Writing formulas for ionic compounds is all about canceling out the charges! An ionic compound is formed between a cation and an anion, or a positive and negative charge so the goal is to always get the charges to add up to zero! In this...

In acid and base chemistry, we learn that there are 3 main types of hydrolysis: salt, acid and base. In this video, I will show you a fun and crafty way to spice up your organic chemistry notes on this topic.

What is an atom? And what is it made of? In this video, I will be introducing you to the atom. We will also look at concepts like atomic mass, elements and isotopes.

Join Vincent, Frédéric, Agathe, David, and Jules as they explore various methods of making fire in survival conditions. From using steel wool and a battery to solar ovens and sodium metal, this video demonstrates innovative techniques...

Professor Fizzy examines the contents of Bob Lazy’s frozen meals and discovers dangerous salt levels inside the box. Sully comes to the rescue of a group of thirsty cells that have had too much sodium. Freezer Burn reminds us to inspect...

The spectacular discoveries NASA's MESSENGER made about Mercury.

Lattice energy is the energy released when ions combine to form an ionic solid. Higher lattice energy indicates a stronger ionic bond and greater stability

Cations, formed by electron loss, influence ionic bond strength. Smaller cations with higher charges create stronger ionic interactions

NaCl forms when sodium transfers an electron to chlorine, creating Na⁺ and Cl⁻ ions that attract each other to form a stable ionic lattice.

Electronegativity differences between atoms determine the type of bond: ionic bonds form when the difference is large, while covalent bonds form with similar electronegativity.

The Kossel-Lewis approach introduced the concept of ionic and covalent bonds. It emphasizes the role of electron transfer or sharing between atoms to achieve noble gas configurations

Moth Food: In their primal phase, moths possess chewing organs that they use to chew just about anything in their proximity. This includes hair, fur, furniture, paper dust, and materials composed of oil and wool.

Lying on the lowest point on the Earth, the hypersaline Dead Sea is one of the most fascinating places on this planet. People float effortlessly here and that is the major attraction of the Dead Sea. But besides this natural buoyancy,...

When you wake up, it takes some time to get the electrolytes flowing through the muscles in your hands again. That’s why you may not be able to make a fist right after waking up. This effect is more pronounced if you don’t wake up...

Why does chemistry happen?? Why do ions form?? Why do elements bond together?? These are all important questions and the answer comes back to one very important principle in chemistry and that is element stability. Elements are stable...

Easily ignited, able to catch fire easily. Flammable materials may be solids, liquids, or gases.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

Any chemical reaction in which oxygen is removed from a substance.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...