igneous rocks

Front

What does the color of an igneous rock indicate?

Back

The color of an igneous rock indicates its composition.

Front

What type of igneous rock is formed from low silica content in lava?

Back

Darker-colored rock.

Front

How are igneous rocks classified?

Back

Igneous rocks are classified by their origin, texture, and mineral composition.

Front

Which igneous rock is commonly used as a building material?

Back

Granite.

Front

What results in coarse-grained intrusive igneous rocks?

Back

Coarse-grained intrusive igneous rocks result when magma cools slowly.

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 magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is lava?

Back

Lava is molten rock that reaches the Earth's surface.

Front

What is the texture of igneous rocks?

Back

The texture of igneous rocks refers to the size, shape, and arrangement of the crystals within the rock.

Front

What is the significance of silica content in igneous rocks?

Back

Silica content affects the color and viscosity of the lava, influencing the type of igneous rock formed.