University of Hawai'i
Ask an Earth Expert: What Are the Different Types of Volcanoes?
A concise explanation of the three types of volcanoes recognized by geologists.
Energy4Me
Energy4me: Core Sampling
Relate this to real-world drilling and why drill bits are used to churn up and break up rock in the sampling path. Explain to students that core sampling is one way that geologists determine the geologic formation of rocks and sediments...