Dating of rocks fossils and geologic events lab


06-Sep-2017 15:36

The lab is one in which students get to work together to figure out some geologic "puzzles".

Correlating rock layers involves using techniques like index fossil correlation, superposition, and horizontal originality to piece together what happened in the past.

Students are tasked with three "mini-labs" in this class block, which are of increasing complexity.

This program looks at the research submersibles and indirect methods used to study the bottom of the sea, providing a glimpse of volcanic activity, formations such as the continental shelf and mid-ocean ridges, and life forms that thrive at extreme depths. The Birth of a Theory In the 1960s, earth scientists developed the theory of plate tectonics.

How can you tell the age of a rock or to which geologic time period it belongs?

One way is to look at any fossils the rock may contain. When you find layers of rocks in a cliff or hillside, younger rocks are on top of older rocks.

However, this notion changed dramatically over time, especially after the invention of the telescope.

This program traces the development of astronomical theory with discussions of the discoveries of Copernicus, Galileo, Kepler, and Newton.

Far from being data, these dates are actually interpretations of the data.



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