Rocks

Front

What is a rock?

Back

A rock is a naturally occurring solid aggregate of one or more minerals or mineraloids.

Front

What is soil?

Back

Soil is a natural resource composed of minerals, organic matter, water, and air that supports plant life.

Front

What are colorful rocks?

Back

Colorful rocks are rocks that exhibit a variety of colors due to the presence of different minerals, such as quartz, feldspar, and iron oxides.

Front

What are the characteristics of igneous rocks?

Back

Igneous rocks are formed from the solidification of molten rock (magma or lava) and can be classified as intrusive (plutonic) or extrusive (volcanic).

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles, often containing fossils.

Front

What are metamorphic rocks?

Back

Metamorphic rocks are formed from the alteration of existing rocks due to heat, pressure, and chemically active fluids.

Front

What is the rock cycle?

Back

The rock cycle is a continuous process that describes the transformation of rocks through various geological processes, including weathering, erosion, sedimentation, and metamorphism.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What is the Mohs scale of mineral hardness?

Back

The Mohs scale is a scale that ranks minerals based on their ability to scratch one another, ranging from talc (1) to diamond (10).

Front

What is a mineral?

Back

A mineral is a naturally occurring inorganic solid with a definite chemical composition and a crystalline structure.