9.46 Gold Facts & Properties Gold is a shiny metal that people wear as jewelry, but it’s also good for many other things. Come learn about gold, its properties, what it is used for aside from jewelry, and some other…

9.44 Crystals Definition & Facts Crystals are not just diamonds, but unique formations of stacked atoms. Many crystals are made of minerals, but there are other types of materials that also make crystals. In this lesson, you will learn about…

9.42 Cinder Cone Volcano Facts Learn about cinder cone volcanoes. Discover the properties of cinder cone volcanoes and how they form, explore some famous examples, and finally, learn what makes cinder cone volcanoes dangerous. What Is a Cinder Cone Volcano?…

9.41 Cave Facts Caves are fascinating forms of rock found in nature. In this lesson, learn about how caves are formed, how they were used by ancient humans, and animals that live in caves! What is a Cave? Has anyone…

9.40 Underwater Volcano Facts Underwater volcanoes (or submarine volcanoes) form along underwater mountain ranges or over hot spots. Explore the volcanic ocean floor and learn about underwater eruptions. The Volcanic Ocean Floor Did you ever see a round fish bowl…

9.39 Outer Core Facts Earth is divided into three main parts: the crust, the mantle, and the core. But did you know that the core is actually made of two different layers? In this lesson, we will talk about the…