Rock Formation - Crash Course

What is the Earth's solid exterior made of?

• Dust and gas

• Lava

• Rocks

• Water

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

What are the two types of crust on Earth?

• Continental crust and oceanic crust

• Mantle and core

• Granite and basalt

• Sedimentary and metamorphic

Which type of rock forms when magma cools and solidifies beneath the Earth's surface?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Granite

What type of rock is granite?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Extrusive rock

What process can transform sediment into sedimentary rock?

• Weathering and erosion

• Metamorphism

• Melting and solidification

• Compaction and cementation

What type of rock is formed from the remains of shellfish and corals?

• Granite

• Basalt

• Sandstone

• Limestone

What happens to rocks during metamorphism?

• They melt down into molten rock

• They recrystallize without melting

• They erode and weather

• They become sedimentary rocks

What is the texture of intrusive igneous rocks like granite?

• Coarse-grained

• Fine-grained

• Smooth

• Porous

What is the main factor that determines the type of rock formed?

• Temperature

• Pressure

• Time

• All of the above

What is the process that continuously alters rocks over millions of years?

• Weathering and erosion

• Metamorphism

• The rock cycle

• Plate tectonics