Rock Cycle Lesson
Overview
The three types of rocks and how they become each through the rock cycle.
Rock types
There are different types of rocks found on Earth. These types are sedimentary, metamorphic, and igneous.
Differences
Sedimentary- these rocks form from small particles over time. They may contain fossils, minerals, or other matter.
Metamorphic- metamorph means to change in form. These rocks form by heat and pressure from the Earth.
Igneous- These rocks are the result of cooled lava. They are often a dark color from the fire or heat.
Rock Cylce
All of these types of rocks can be formed from each other over time.
If a volcano errupts, the lava will run down and harden into rock as it cools. This rock will eventually break down into particles and can come back together with new particles. This will form a sedimentary rock. From there, this rock can be burried in the ground. With built up pressure and heat, it will turn into a metamorphic rock.
Video
Video Response
If a river dries up, what type of rock would be created?
Video Response 2
If sand was pressed down for 2,000 years, what type of rock would that become?