Lower Mantle Definition, Composition & Importance - Study.com
...Explore the Earth's lower mantle definition and composition. Study what is the lower mantle made of and lower mantle facts, including the lower......
https://study.com/learn/lesson/lower-mantle-concept-composition.html
The Three Major Types of Rocks | Definition & Examples
...Igneous rocks are defined as rocks that form from the cooling and solidification of molten rock. Rocks partially or completely liquify due to conditions beneath the Earth's crust; this molten rock ......
https://study.com/learn/lesson/rock-types-examples.html
Magmatism Definition, Formation & Importance - Study.com
...Magmatism is the formation and motion of magma under Earth's surface. Magma is molten or semi-molten rock under Earth's surface whereas lava is molten or semi-molten rock above Earth's surface....
https://study.com/academy/lesson/what-is-magmatism-definition-process-types.html
Volcanic Hazards | Pyroclastic Flow, Pyroclastic Surge & Tephra
...Volcanoes possess two types of molten rock, magma and lava. Magma refers to molten rock that remains beneath the surface of Earth, lava is molten rock that erupts out onto Earth's surface....
https://study.com/learn/lesson/volcanic-hazards-lava-flow-pyroclastic-surge-tephra.html
The Three Layers of the Earth | Crust, Mantle & Core - Study.com
...Layering of material is a common feature in many planetary bodies. The Earth has three main rocky layers, the core, mantle, and crust....
https://study.com/learn/lesson/three-layers-earth-crust-mantle-core.html
Lava Lesson for Kids: Definition & Facts - Study.com
...Lava is molten rock that escapes through a volcano. In this lesson, learn about what lava is made of, how it escapes, and different types of lava......
https://study.com/academy/lesson/lava-lesson-for-kids-definition-facts.html
Mafic Rocks | Definition, Composition & Examples - Study.com
...These newer rocks that crystallize from molten or liquid rock are called igneous rocks. There are two general types of igneous rock, mafic igneous rocks being one of them....
https://study.com/academy/lesson/mafic-definition-composition.html
Lava Definition, Temperature & Misconceptions - Study.com
...This molten rock then cools on the Earth's surface to form features such as lava flows, lava tubes, and other igneous rocks. Tectonic plates form boundaries with one another at locations ......
https://study.com/academy/lesson/what-is-lava-definition-types-temperature.html
Volcanic vs. Plutonic Igneous Rocks - Study.com
...Igneous rock is one of the three types of rocks found on the Earth's surface. It is formed when molten material called magma cools and solidifies. Examples of igneous rocks are pumice and granite....
https://study.com/learn/lesson/volcanic-plutonic-igneous-rocks-formation-differences-examples.html
Granite | Igneous Rock, Colors & Formation - Study.com
...What is granite and where is granite found? Understand what type of rock granite is and how granite is formed naturally. See what granite is made of....
https://study.com/learn/lesson/granite-igneous-rock-colors.html