Lessons2016-12-06T14:13:01+00:00

shark_teeth_forensics_lessons

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Lessons Overview

Lesson 1

Shark teeth are the most commonly preserved fossils from sharks. In this lesson, students will learn how to identify parts of shark teeth and how to measure shark teeth using one of two methods (fitting teeth into circles or using a paper ruler). This is a prerequisite skill for Lesson 2 where students will sift through sediment to find shark teeth. Students will also read and discuss a story about interpreting fossil discoveries.

Lesson 2

In this lesson, students will sift through sediment to find shark teeth. They will measure the teeth using the measurement card from Lesson 1. They will record measurements on the board for the class to see. Once all data are collected, the class will create a bar graph to depict how frequently teeth of certain sizes are found. The shark teeth and data will be sent to Dr. Bucky Gates at the Paleontology and Geology Research Laboratory of the Nature Research Center at the North Carolina Museum of Natural Sciences.

Lessons Objectives

Lesson 1

  • Students will compare fossils to one another and to living organisms according to their similarities and differences.
  • Students will use correct vocabulary when talking about parts of shark teeth.
  • Students will be able to summarize the use of evidence drawn from geology and fossils.

Lesson 2

  • Students will compare fossils to one another and to living organisms according to their similarities and differences.
  • Students will use correct vocabulary when talking about parts of shark teeth.
  • Students will sort through the phosphate mine material to find shark teeth.
  • Students will measure shark teeth and create a bar graph that depicts their data.

Lesson 1 Standards Addressed

North Carolina Essential Standards

Science 8.L.4.1 — Summarize the use of evidence drawn from geology, fossils, and comparative anatomy to form the basis for biological classification systems and the theory of evolution.

Next Generation Science Standards

MS-LS4-1 — Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.

Common Core Standards

Language Arts RLA.8.4 — Determine the meaning of words and phrases as they are used in a text, including figurative and connotative meanings.
Language Arts RLA.8.1 — Cite the textual evidence that most strongly supports an analysis of what the text says explicitly as well as inferences drawn from the text.

Lesson 2 Standards Addressed

North Carolina Essential Standards

Science 8.L.4.1 — Summarize the use of evidence drawn from geology, fossils, and comparative anatomy to form the basis for biological classification systems and the theory of evolution.

Next Generation Science Standards

MS-LS4-1 — Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.

Common Core Standards

Math 8.F.5 — Describe qualitatively the functional relationship between two quantities by analyzing a graph.
Math 8.SP.4 — Understand that patterns of association can also be seen in bi-variate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables.