We’ve done a surprising amount of exploration on Mars, from its atmosphere, to its surface, and miles deep into its canyons. But mapping its insides has been a quandary that we hadn’t been able to solve until last week!

In this video Paul Andersen explains how metallic solids form when delocalized electrons hold the positive nuclei in an electron sea. This model helps to explain the properties of metals like conductivity, shiny appearance,...

In this video Paul Andersen explains how metallic bonding structure creates the different properties of metals. The electron sea model explains how the positive nuclei are locked into a negative sea of delocalized electrons. This...

After giving an explanation of the Periodic Table, Dr. Boyd explains where he thinks the fictitious metal Vibranium would be located on the Periodic Table if it were a real element. What do you think…where should Vibranium go on the...

The upper layers of the Earth, consisting of the crust and upper mantle, as opposed to the more fluid lower mantle and core.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using...

Gold can be found in many forms and has been used as currency for centuries. But what properties does it have that make it so valuable? Earth Science - Geology - Learning Points. Gold occurs naturally in many distinct forms. Native gold...

Learn about the various uses and properties of aluminum. From its common association with foil packaging to its presence in transportation, construction, and even gemstones, aluminum is a versatile metal with a range of applications.

Learn the basics about the differences between different chemical structures, including giant covalent, giant ionic and metallic structures. There are numerous materials and substances that possess giant chemical structures. Some are...

This is a lecture presentation on the uses of metals. The video explains how the physical and chemical properties of metals determine their possible uses. Then the video focuses on specific metal types such as aluminum and copper and...

The pirates are off to find more treasure! Will they make it across the stormy seas? This lesson will survey the physical properties of metals, non-metals and metalloids. Definitions included: physical property, standard ambient...

The video is a lesson on the relationship between stress and strain and how it is represented graphically in a stress-strain diagram. The video explains the definitions of stress and strain and how they relate to internal and external...

It explains the characteristics of an element and talks about elements such as metals, non-metals, metalloids and noble gases.

This video provides a brief overview of gold, discussing its properties, uses, and value. They explain how gold is a soft and malleable metal, which is why it is often alloyed with other metals for jewelry. It also highlights the...

This video provides a brief overview of copper, highlighting its unique properties and various uses in different industries. It explores how copper is used in electrical connections, plumbing, industrial machinery, architecture, and the...

Learn the basics about particles in a metal, that are held together by metallic bonds.What are metallic bonds? Find out more in this video!

The devastating earthquake in Turkey and Syria is sending shockwaves of concern half a world away to California.

Giant octopus squeezes through plastic tube which is 1/10th size of its body, short sequence

Giant octopus squeezes through plastic tube which is 1/10th size of its body, short sequence

Giant octopus squeezes through plastic tube 1/10th size of its body, short sequence

Giant octopus squeezes through plastic tube which is 1/10th size of its body, short sequence

Net-casting Spider (Dinopis) - CU zoom out MS legs stretch out net, Australia