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…
9.38 Iceberg Facts Icebergs are floating chunks of ice that are mainly found in the North Atlantic Ocean and the seas around Antarctica. Icebergs can be dangerous to ships and come in many sizes. Icebergs – What Are They? You…
9.37 Ice Age History & Facts Imagine living at a time when giant mammals roamed the earth. Sloths were as tall as houses, and armadillos were as big as a small car! Read on to learn more about what life…
9.36 Glacier Facts Glaciers are giant ice sheets that have been around for thousands of years. Learn about glaciers, including their types, sizes, where to find them, their formation, and other fun facts. What Are Glaciers? Glaciers are huge blocks of…
Crystals are all around us, but we just might not know where to look. Come and learn about what crystals are, how they are formed, and natural and man-made examples of this amazing substance. What are Crystals? When you hear…
9.34 How are Mountains Formed Different types of mountains are formed when tectonic plates push and pull. Learn about mountain formation, the parts of the earth, and the types and formations of mountains. Mountain Formation & Parts of the Earth…
9.33 Types of Minerals What are minerals? How do we use them? In this lesson, you will learn the answers to these questions as well as the different types of minerals and how scientists use physical properties to identify them.…
9.32 Mineral Identification When we think of minerals, we tend to think of expensive ones, like gold and diamonds, but minerals are all around us. In this lesson you’ll learn about some of the different ways to identify minerals around…