Tipos de rocas

The video explains how different types of rocks are formed and their properties. It covers the influence of minerals and grain size on rock characteristics, the formation of sedimentary rocks through deposition and compaction, the creation of igneous rocks from cooling magma, and the transformation of rocks into metamorphic rocks under heat and pressure. The rock cycle is also discussed, highlighting the continuous process of rock formation and change.

What contributes to the hardness of granite?

• The rapid cooling of magma

• The presence of organic particles

• The close union of its grains

• The separation of its grains

How are sedimentary rocks primarily formed?

• Through the deposition and compaction of minerals and organic particles

• By the rapid cooling of magma

• By the melting and solidification of existing rocks

• Through volcanic eruptions

What is the main difference between extrusive and intrusive igneous rocks?

• Extrusive rocks form on the Earth's surface, while intrusive rocks form below the surface

• Extrusive rocks form below the Earth's surface, while intrusive rocks form on the surface

• Extrusive rocks have larger crystals, while intrusive rocks have smaller crystals

• Extrusive rocks are formed by sediment deposition, while intrusive rocks are formed by magma cooling

What happens to rocks subjected to heat and pressure without melting?

• They transform into metamorphic rocks

• They dissolve into minerals

• They become igneous rocks

• They turn into sedimentary rocks

Which rock is formed from sandstone under heat and pressure?

• Granite

• Shale

• Quartzite

• Basalt