Exploring the Three Types of Rocks

The video tutorial explores the study of rocks, known as geology, and introduces the three main types of rocks: igneous, sedimentary, and metamorphic. It explains how each type forms, provides examples, and discusses their characteristics. The video also highlights the importance of rocks in human history and their various uses in modern life.

What is the study of rocks called?

• Biology

• Geology

• Astronomy

• Chemistry

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Which of the following is NOT a characteristic of rocks?

• Man-made

• Natural processes

• Solid chunk

• Contain minerals

What type of rock is formed from cooled lava?

• Sedimentary

• Metamorphic

• Igneous

• Organic

Which of the following is an example of an extrusive igneous rock?

• Basalt

• Marble

• Gabbro

• Granite

What are sedimentary rocks primarily made of?

• Layers of sediment

• Crystals

• Magma

• Molten rock

Where are fossils most commonly found?

• Metamorphic rocks

• Volcanic rocks

• Igneous rocks

• Sedimentary rocks

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What causes the formation of metamorphic rocks?

• Cooling of lava

• Layering of sediment

• Heat and pressure

• Erosion

Which rock started as sandstone before becoming a metamorphic rock?

• Obsidian

• Basalt

• Marble

• Granite

What is the process called where rocks change from one type to another?

• Weathering

• Erosion

• Rock cycle

• Sedimentation

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Which of the following is NOT a modern use of rocks?

• Making tools

• Building houses

• Starting fires

• Creating airplanes