magmatic rocks

This animated video 4'15 : https://youtu.be/PrN7jygu4cQ?si=wIXM7No6Ropdnm8u helps viewers to learn about igneous rocks, including their types and formation

video 5', stop at 2' : https://youtu.be/TtvSyROolsk?si=usF0WmBJMBqqJnnE Now that we know how igneous rocks form, what are the types of igneous rocks? This depends on precisely where they form, and we can call them either intrusive or extrusive. These can also be called either plutonic or volcanic. What do these terms mean, and how do they relate to the composition of the rock? Let's find out!

text : https://www.usgs.gov/faqs/what-are-igneous-rocks What are igneous rocks?

practical work : thin section of rock under microscope

evaluation : classify the rocks in a table : volvanic/plutonic