Types of rocks 🎯 Lesson objectives: For the student to distinguish between the three types of rocks: igneous, sedimentary, and metamorphic. For the student to link the type of rock to its source. - Abqaiq

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Types of rocks 🎯 Lesson objectives: For the student to distinguish between the three types of rocks: igneous, sedimentary, and metamorphic. For the student to link the type of rock to its source.

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Who among you has visited a mountain or seen rocks of different colors and shapes? Why do you think the rocks are different? Let's find out together!

1. Igneous rocks:

They are formed by volcanoes after magma (lava) cools.

An example from the Saudi environment: the Harrat Rahat rocks south of Medina.

Appearance: dark, hard, and perforated.

2. Sedimentary rocks:

It is formed by the accumulation of layers of sand and clay over time.

Local example: Rocks in the Great Nafud Desert.

Its shape: clear layers, easy to crumble.

3. Metamorphic rocks:

It is formed by the alteration of other rocks due to pressure and heat.

Example: Metamorphic granite rocks in the Hejaz Mountains.

Its shape: its colors are intertwined and strong.

Extra information

The video is being shared on Zoom, along with examples and exercises.

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