How Rocks are Formed VID

What is the Earth's solid exterior made of?

• Plants

• Water

• Animals

• A variety of rocks

Tags

NGSS.MS-ESS2-1

How are some rocks being formed?

• By accumulation of animal bones

• By breaking down of trees

• By freezing water

• By hardening of lava from active volcanoes

Tags

NGSS.MS-ESS2-1

What are the two types of crust on Earth?

• Continental crust and oceanic crust

• Mantle and core

• Sand and clay

• Ice and snow

What is magma that cools and solidifies beneath the Earth's surface called?

• Intrusive igneous rock

• Extrusive igneous rock

• Sedimentary rock

• Metamorphic rock

Tags

NGSS.MS-ESS2-1

What causes sedimentary rocks to form?

• Compaction and cementation of sediments

• Melting of minerals

• Eruption of volcanoes

• Freezing of water

What is the process called when existing rocks change into a new type due to intense temperature and pressure?

• Erosion

• Crystallization

• Metamorphism

• Condensation

What is the outer layer of the Earth called?

• Mantle

• Atmosphere

• Core

• Crust

What are minerals?

• Organic compounds found in soil

• Inorganic, naturally occurring compounds with a crystalline structure

• Types of rocks

• Liquid components of magma

Tags

NGSS.MS-ESS3-1

What does the term 'felsic' refer to in rocks?

• Rich in dark-colored, heavier minerals

• Being porous and lightweight

• Containing only one type of mineral

• Rich in light-colored, lighter weight minerals

How do scientists study the Earth's interior?

• By using telescopes

• By sending robots to the Earth's core

• By drilling to the center of the Earth

• By studying seismic waves from earthquakes