Types of Rocks: Sedimentary, Metamorphic, and Igneous

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8 Questions

What type of rock is formed when wind, rain, and water carry tiny rocks and dirt from mountains to oceans and lakes where they sink and compress?

Sedimentary rock

Which type of rock is formed deep underground through a combination of heat and pressure over a long period of time?

Metamorphic rock

What type of rock is formed when molten rocks cool down and harden?

Igneous rock

Which rock type is NOT mentioned in the text examples for metamorphic rocks?

Sandstone

In the rock cycle, how is igneous rock formed?

From molten rocks cooling down

Which type of rock cycle involves the formation of sedimentary rock from smaller rocks and dirt carried away by water?

Sedimentary to Igneous to Metamorphic

Where can metamorphic rock be formed according to the text?

On mountaineering courses in India

What type of rock is formed when molten rock comes out of the ground?

'Lava' Rock

Study Notes

  • Mr. Bradley is teaching viewers about three types of rocks: sedimentary, metamorphic, and igneous.
  • Sedimentary rock is formed when wind, rain, and water carry tiny rocks and dirt from mountains to oceans and lakes, where they sink and compress, forming one hard rock after a long time. Layers of sedimentary rock can be seen in formations. Examples include sandstone, mudstone, limestone, shield, and cool.
  • Metamorphic rock is formed when rock layers deep underground come close to becoming molten hot magma, causing the rocks to be chemically changed with the combination of heat and pressure over a long period of time. Examples include rocks climbed on mountaineering courses in India.
  • Igneous rock is formed when molten rocks, or magma, cool down and harden. This can occur underground or when molten rock, or lava, comes out of the ground. Examples include basalt, granite, and thomas.
  • The three types of rocks are part of the rock cycle, where sedimentary rock is formed from smaller rocks and dirt, igneous rock is formed from molten rock that cools down, and the cycle starts over again with sedimentary rock being formed from tiny pieces of rocks and dirt carried away by water.
  • The video includes visits to various rock formations and mines to learn about the different types of rocks.

Learn about the three main types of rocks: sedimentary, metamorphic, and igneous. Explore how each type is formed and their examples along with their role in the rock cycle. The video showcases various rock formations and mines to provide a visual understanding.

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