Front

What is the streak color test?

Back

The streak color test is a method used by geologists to determine the color of a mineral's powder when it is scraped across a porcelain plate.

Front

What does the Mohs scale measure?

Back

The Mohs scale measures the hardness of minerals, ranking them from 1 (softest) to 10 (hardest).

Front

What is a mineral?

Back

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

Front

What is the difference between igneous and sedimentary rocks?

Back

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

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's crust that move and interact with each other, causing geological events like earthquakes and volcanic eruptions.

Front

What does opaque mean in terms of minerals?

Back

Opaque means that no light can pass through the mineral.

Front

What is the luster of a mineral?

Back

Luster refers to how light reflects off the surface of a mineral, indicating its shine or dullness.

Front

What is the hardness test?

Back

The hardness test determines how resistant a mineral is to being scratched, using the Mohs scale.

Front

What is a metamorphic rock?

Back

A metamorphic rock is formed when existing rocks are changed by heat, pressure, or chemical processes.

Front

What is the feel test in mineral identification?

Back

The feel test involves examining the texture of a mineral by touch to help identify it.