Curated Video
Atoms and Molecules - what is the difference??
Atoms are the basic building blocks of all matter and they are very very small. They are made up of protons, neutrons and electrons and they are the smallest unit of matter that still retains the basic properties of an element. Molecules...
Curated Video
Atomic number, Atomic mass, Mass number: What's the difference?
In this educational video, we will explore the differences between atomic number, atomic mass, and mass number in the world of chemistry.
Curated Video
Atoms and Ions Explained - What's the difference?
In this video, we'll explore what atoms and ions are, and what the differences are. We'll also talk about how they're used in chemistry and physical science. If you're curious about what atoms and ions are, and what the differences are,...
Curated Video
What is an atom made of
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.
Curated Video
What the heck is an ELEMENT in chemistry?
In chemistry, we usually talk about atoms and molecules. When we introduce the term 'element', things get a little confusing. In this video, we will cover what an element is in chemistry and give you some examples.
Curated Video
Discovery of Proton & Neutron
Discovery of the Proton and Neutron Background: • J.J. Thomson's 1897 discovery of the electron led to the development of atomic models. • Ernest Rutherford's Gold Foil Experiment (1911) revealed the presence of a dense, positively...
Curated Video
Fundamental unit of matter - Atom
Understanding Atoms in Chemistry and Physics • Atoms are fundamental building blocks of matter. • Understanding atoms is crucial for chemistry and physics principles. • The concept of atoms dates back to ancient Greece. • Scientific...
Astrum
Why Does Heisenberg's Uncertainty Principle Happen?
In part two of our series on Theory of Everything, we explain particle physics using string theory.
Curated Video
The Periodic Table
The year 2019 is celebrated as the International Year of the Periodic Table (#IYPT) in recognition of its discovery 150 years ago in 1869. Listen along as Dr. Boyd gives a detailed explanation of its arrangement and what all the letters...
Veritasium
Half the universe was missing... until now
Explore the fascinating journey to uncover the universe's missing baryons—ordinary matter that had eluded scientists for decades. From the origins of baryonic matter after the Big Bang to groundbreaking discoveries using fast radio...
Curated Video
Sodium Chloride Story: The Birth of an Ionic Bond
NaCl forms when sodium transfers an electron to chlorine, creating Na⁺ and Cl⁻ ions that attract each other to form a stable ionic lattice.
Curated Video
Difference between acids and bases. And why supervillains love them.
What is the difference between acids and bases? This is a commonly asked question in both chemistry and biology classes. In this video, we will go through the definition of acid and base, and why they are so important to us, and, uh,...
Science ABC
What is Radioactivity and Is It Always Harmful: Explained in Really Simple Words
Radioactivity is the property through which a heavier, unstable nucleus assumes a more stable state by emitting radiation. The process through which a nucleus turns into a stable one is called radioactive decay. But is radioactivity or...
Science ABC
Photosynthesis: The Biochemistry Behind How Plants Make Their Food
Plants, unlike most living things, produce their own food through a process called photosynthesis. Photosynthesis means 'making using light'. Plants use the energy from the sunlight to make food. The food matter comes from carbon dioxide...
Science ABC
Particle accelerators: What are they, how do they work and why are they important to us?
A particle accelerator is a machine that accelerates particles. More specifically, it accelerates elementary particles, like protons and electrons, at extremely high speeds—almost 99.99% of the speed of light. These particles are then...
Science ABC
What Is The Smallest Particle We Know?
We have built beautiful particle accelerators in the search for particles that are even more elementary than electrons, protons, and neutrons. The accelerators smash subatomic particles at enormous speeds, which causes them to shatter...
Science ABC
Which Is The Most Reactive Element In The Periodic Table?
The reactivity of an element is a function of how easily an element loses or gains electrons. To determine an element's reactivity, we can learn a lot from the periodic table, and its particular trends. The first element in the halogen...
Curated Video
Neutron
Particles found in the nuclei of atoms, which have a similar mass to a proton, but no electric charge. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Electron
The tiny particles within all atoms that carry a negative electric charge. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Baryons
A class of subatomic particles that includes neutrons and protons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Ion
An atom or molecule that has gained or lost one or more electrons, and so has an electrical charge. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Isotope
Atoms of the same element with different numbers of neutrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Matter
Any substance that has mass and occupies a volume. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Proton
A positively charged particle found in the nucleus of all atoms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...