Front

What are igneous rocks and how are they formed?

Back

Igneous rocks are formed when magma or lava cools and solidifies. They can be classified into two types: intrusive (formed inside the Earth) and extrusive (formed on the Earth's surface).

Front

What are sedimentary rocks and how do they form?

Back

Sedimentary rocks are formed from the compaction and cementation of small rock particles, minerals, and organic materials. They often form in layers and can contain fossils.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Front

What are metamorphic rocks and how do they form?

Back

Metamorphic rocks are formed from existing rocks (igneous, sedimentary, or other metamorphic rocks) that undergo changes due to heat, pressure, or chemically active fluids.

Tags

NGSS.MS-ESS2-1

Front

What is the role of the Earth's hot interior in the rock cycle?

Back

The Earth's hot interior provides the heat necessary for the melting of rocks to form magma, which can lead to the formation of igneous rocks when it cools.

Tags

NGSS.MS-ESS2-1

Front

How does heat from the sun contribute to the rock cycle?

Back

Heat from the sun drives processes such as weathering and erosion, which break down rocks into sediments that can form sedimentary rocks.

Tags

NGSS.MS-ESS2-1

Front

What is the process of weathering?

Back

Weathering is the breakdown of rocks into smaller particles due to environmental factors such as wind, water, and temperature changes.

Tags

NGSS.MS-ESS2-2

Front

What is erosion and how does it differ from weathering?

Back

Erosion is the process of transporting weathered rock particles from one location to another, while weathering is the breakdown of rocks without movement.

Front

What is the significance of the rock cycle?

Back

The rock cycle illustrates the continuous process of rock formation, destruction, and transformation, showing how different types of rocks are interconnected.

Tags

NGSS.MS-ESS1-4

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic rocks.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Front

What is lithification in the context of sedimentary rock formation?

Back

Lithification is the process by which sediments are compacted and cemented together to form sedimentary rocks.

Tags

NGSS.MS-ESS1-4