That's a great question! It's true that igneous rocks form from magma (or lava, which is magma that has erupted onto the Earth's surface), but they don't always look exactly like the molten rock they came from. Here's why:

* Cooling and Crystallization: When magma cools and solidifies, it undergoes a process called crystallization. Minerals within the magma start to form and grow, creating the various textures we see in igneous rocks. The rate of cooling plays a big role:

* Fast Cooling: Rapid cooling, like when lava erupts on the surface, results in small crystals, often forming a fine-grained or glassy texture.

* Slow Cooling: Slow cooling, like deep within the Earth, allows larger crystals to form, giving the rock a coarse-grained texture.

* Composition: Different types of magma contain different proportions of minerals. This leads to different colors and textures in the resulting igneous rocks. For example, granite, a common igneous rock, has a light color because it's rich in quartz and feldspar.

* Weathering and Erosion: Over time, igneous rocks are exposed to the elements and undergo weathering and erosion. This can alter their appearance, making them appear more weathered and less like the original magma.

In short, while igneous rocks are formed from magma, the cooling process and the composition of the magma lead to a wide variety of textures and appearances that can be quite different from the original molten rock.

Let me know if you'd like to know more about specific types of igneous rocks!