Igneous rock forms when rock melts and then crystallizes.

Question

Lava flowing down the Mauna Loa volcano
When rock melts below Earth's surface, the rock becomes magma. Magma can rise to the surface through cracks in Earth's crust. Magma that reaches Earth's surface is called lava. When lava or magma cools, it solidifies by crystallizing to form igneous rock.
Igneous rocks commonly form at volcanoes, such as the Mauna Loa volcano in Hawaii.
Order the following events to describe how igneous rock can form at Mauna Loa.

Answer 1

To describe how igneous rock can form at Mauna Loa, the events can be ordered as follows:

1. Rock melts below Earth's surface, forming magma.
2. Magma rises to the surface through cracks in Earth's crust.
3. Magma reaches Earth's surface and is called lava.
4. Lava cools and solidifies by crystallizing.
5. Igneous rock forms.

This sequence illustrates the process of igneous rock formation at a volcano such as Mauna Loa.