Step Seven: Each team will present to the class why they came to their conclusion of rock type for their Park. They will have less then two minutes to present. Vocabulary. Igneous Rocks: form when hot, liquid rock, or magma, cools. When this magma slowly cools underground, it forms intrusive igneous rock. Magma that quickly cools aboveground becomes extrusive igneous rock.
[{"rock_types": "n/a", "era_formed": "n/a"}]
[{"rock_types": "Igneous", "era_formed": "n/a"}] [{"rock_types": "Igneous ", "era_formed": "n/a"}] [{"rock_types": "Igneous Rocks", "era_formed": "n/a"}] [{"rock_types": "n/a", "era_formed": "n/a"}]