5 Written questions
5 Matching questions
- obsidian, how did it cool?
- what rock is made of crumbled shells?
- what rock was sandstone?
- obsidian, what kind of crystals does it have?
- scoria and pumice, is it intrusive or extrusive?
- a extrusive
- b none
- c quartzite
- d coquina
- e very quickly
5 Multiple choice questions
- small crystals
5 True/False questions
scoria and pumice, how did it cool? → slowly
what rock is made of sand? → sandstone
what rock is made of crushed shells? → limestone
what rock was slate? → quartzite
granite, what kind of crystals does it have? → large crystals