The Earth has changed dramatically and repeatedly over a history that spans 4.6 billion years. Such immense periods are difficult for most of us to comprehend. They fall outside of our range of human experience. We normally deal with much shorter time intervals, like the time of our next class or the number of days until the next test, or even the number of years until graduation. Students of science need to expand their sense of time. Extremely slow geologic processes, considered only in terms
The Earth Science laboratory is where you will be working to complete exercises that will help you better understand the concepts of Earth Science. While working in the laboratory it is important for you to work carefully for your safety and the safety of the other students in the room. You can avoid accidents by knowing and following safe laboratory techniques. Your job in this laboratory exercise is to identify hazards and preventative measures. Brainstorm with your group members to choose the