5 Written questions
4 Matching questions
- what type of fossil is flat?
- obsidian, how did it cool?
- obsidian, is it intrusive or extrusive?
- granite, what kind of crystals does it have?
- a very quickly
- b imprint
- c extrusive
- d large crystals
5 Multiple choice questions
5 True/False questions
what rock is made of crumbled shells? → coquina
what rock is made of decayed plants and animals? → coal
basalt, is it extrusive or intrusive? → extrusive
basalt, what kind of crystals does it have? → large crystals
granite, how did it cool? → very quickly