minerals and rock

what are minerals ?

• All rocks are made from types of materials

• Minerals are liquids that form in the ocean.
• Minerals are man-made substances used in construction.
• Minerals are organic compounds found in plants.

an example of the type of rock are made of many different minerals

• Limestone
• Granite
• Marble
• Sandstone

what is limestone?

• Limestone is a mineral found in volcanic regions.
• the rocks are made up mostly of one type of mineral

• Limestone is primarily composed of quartz.
• Limestone is a type of igneous rock.

how do granite and limestone compare?

• Granite is softer and more prone to erosion than limestone.
• Limestone is harder and more durable than granite.
• Granite and limestone have the same level of hardness and durability.
• Granite is harder and more types of minerals than limestone, which is softer and are made up mostly of one type of mineral

not all rock are hard , what is made of a rock that is so soft you can write with it ?

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A mineral's streak many not be the same as its ___,

• color
• hardness
• cleavage
• luster

what mineral's streak many not be the same as its color ?

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what is "texture"?

• Texture is the perceived surface quality of an object.
• Texture refers to the color of an object.
• Texture is the weight of an object.
• Texture describes the temperature of an object.

how can we know one mineral from another ?

• By tasting the minerals to determine flavor.
• By observing their color only without any tests.
• By checking their weight against a standard scale.
• compare from their texture or scratch them

many minerals leave marks behind when you rub them on something, the mark is called ?

• streak
• hardness
• luster
• color