Basalt - a type of rock formed when thin, fast-moving lava cools, and is usually very dark in color, Cone Volcano - a volcano with slow-flowing, thick lava that usually erupts with an explosion, Erupt - when lava quickly comes out of a volcano, Experiment - a test used to discover new information about a question, Felsite - a type of rock formed when thick, slow-moving lava cools, and is usually light in color, Lava - liquid rock that flows or explodes from a volcano, Model - a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with, Rock - a solid natural material that is found on and under the surface of the Earth, Shield Volcano - a volcano with fast-flowing, thin lava that does not usually erupt with an explosion, Volcano - a high area of land with an opening where lava flows or explodes out from,

Birth of Rocks: Lesson 2

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