Rocks and Minerals

Front

What are ores?

Back

Ores are rocks that contain valuable minerals, including metals like gold and silver, which can be harvested and sold.

Front

True or False: Some minerals have a different colored streak than the color of their body.

Back

True

Front

What characterizes a sulfide mineral?

Back

A sulfide mineral contains sulfur as the main element.

Front

What minerals are primarily found in mafic igneous rocks?

Back

Mafic igneous rocks primarily contain iron and magnesium.

Front

What type of rocks form layers at the bottoms of oceans and lakes?

Back

Sedimentary rocks form layers at the bottoms of oceans and lakes.

Front

Define igneous rocks.

Back

Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

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 a mineral?

Back

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

Front

What is the Mohs scale?

Back

The Mohs scale is a scale used to measure the hardness of minerals, ranging from 1 (talc) to 10 (diamond).

Front

What are sedimentary rocks?

Back

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