Exploring Crystalline Ionic Solids.

Crystalline solids have a regular internal arrangement of particles, a long range order, and sharp melting points. They are hard and rigid, with a characteristic heat of fusion. They are...

Exploring the Core: Basic Solid Properties

Solids diffuse slowly compared to liquids and gases, as constituent particles are closely packed, allowing little space for movement. They have a higher density than gases and liquids....

Join the Serial Testers as they explore the science behind ice formation with cold specialist Anthony Delahaye. Learn how water molecules behave at different temperatures and discover the process of creating stunning ice...

Join Agathe, Vincent, and David as they embark on a fiery adventure to create superhero-style flames. With the help of combustion engineer Jacques Baillargeat, they experiment with different fuels to find the best way to safely...

NaCl, a perfect ionic crystal, has an alternating pattern of Na+ cations and Cl- anions. When heated, some Cl- anions can be lost, leaving anionic vacancies. These vacancies are occupied by electrons, creating F-centers, which are...

Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.

Watch what happens when Dr. Boyd unexpectedly gets his hands on some dry ice! Minute 0:30 – Explanation Minute 3:04 – Demo 1: Dry Ice In Water Minute 4:05 – Demo 2: The Vibrating Quarter Minute 4:51 – Demo 3: Floating Bubbles Minute 5:56...

We put aerogel to the test vs 'not-a-flamethrower', a huge 2000°C flame to a large fiberglass blanket infused with silica aerogel - formerly the lightest solid (that title is now held by graphene aerogel).

Glass is made by heating sand (mostly composed of silicon dioxide) until it melts and turns into a liquid at a high temperature of around 1700° Celsius. When the molten sand is allowed to cool, it becomes an amorphous solid, featuring...

Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...

Bose Einstein condensate is considered the fifth state of matter - its obtained when gas particles are cooled to almost absolute zero temperature. To generate the Bose-Einstein condensate, the first step is to obtain a cloud of gas; a...

One of the three classical states of matter, along with gas and solid.
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A Twig Science
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Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

The state of matter in which particles are packed tightly together in a rigid structure, with a defined shape.
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A Twig Science
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An amorphous solid is one whose atoms or molecules are not arranged in an ordered crystalline lattice.
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A substance that cannot dissolve.
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A Twig Science
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The temperature at which a solid turns into a liquid.
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A Twig Science
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The middle portion of the Earth's interior, between the outer crust and the core.
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A Twig Science
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To change, or cause something to change, into gas or vapour.
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A Twig Science
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A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout.
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A Twig Science
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A solid that forms in a liquid solution.
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A Twig Science
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A fuel produced by heating coal in the absence of air.
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A Twig Science
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A naturally occurring element or compound that has a crystalline form and has been produced by geological processes.
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In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it.
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A Twig Science
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The physical separation of a solid from a fluid carrier, either gas or liquid, by passing it through a medium that blocks particles above a certain size.
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A Twig Science
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Key scientific terms...