Earth and Space Ch. 1-3 Test

Front

What is the Mohs scale?

Back

The Mohs scale is a scale that ranks minerals based on their hardness, from 1 (softest) to 10 (hardest).

Front

What is anhydrite?

Back

Anhydrite is a mineral composed of calcium sulfate (CaSO4) that is typically found in sedimentary environments.

Front

What is chromite?

Back

Chromite is a mineral that is the main source of chromium, composed of iron chromium oxide (FeCr2O4).

Front

What is pyrite commonly known as?

Back

Pyrite is commonly known as 'fool's gold' due to its metallic luster and pale brass-yellow hue.

Front

What is zircon?

Back

Zircon is a mineral that is a source of zirconium and is often used in dating geological events.

Front

What are nitrogen-fixing bacteria?

Back

Nitrogen-fixing bacteria are microorganisms that convert atmospheric nitrogen into nitrogen-containing compounds, making it available for plants.

Front

What is retreat mining?

Back

Retreat mining is a method of underground mining where miners remove pillars of coal or ore, allowing the roof to collapse in a controlled manner.

Front

What is a volcanic mountain?

Back

A volcanic mountain is formed when molten rock (magma) erupts from a volcano and accumulates on the surface.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks are formed from cooled magma or lava, while sedimentary rocks are formed from the accumulation of sediment.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation through geological processes.