Earth 120, Week 1 Note - Introduction of Earth Science
Earth 120, Week 1 Note - Introduction of Earth Science ERTH 120
Santa Ana College
Popular in Phys Earth/Space Systems
Popular in Earth Science
This 2 page Class Notes was uploaded by alicekhanh on Saturday April 2, 2016. The Class Notes belongs to ERTH 120 at Santa Ana College taught by Joanna Fantozzi in Spring 2016. Since its upload, it has received 20 views. For similar materials see Phys Earth/Space Systems in Earth Science at Santa Ana College.
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Date Created: 04/02/16
Chapter 1: Introduction of Earth Science 1. Why Do We Study Earth Science? Earth scientists are “scientific detectives who try to reveal the past and the future of the Earth” Earth scientists can use information about the rocks in a certain area to get an idea about what it was like there in the past Earth scientists can use the information about the past to help prepare for possible hazards in the future Earth scientists can also find materials that can be used as resources 2. How Do We Study Earth Science? The scientific method is a set of steps that scientists use to develop explanations for how things work or came to be The framework of the scientific method is universal: Observe and recognize a phenomenon Develop a hypothesis (tentative explanation) Conduct experiments to test the hypothesis Interpret the data, and possibly develop a new hypothesis Once extensive testing by multiple investigators has exhausted reasonable doubt, it becomes a theory