Objectives & Procedures: Graphing

9.1 – Nuclear Radiation Cs-137

Learning Objectives:

  • Define the term “standard deviation” and use it to determine the “standard error” on a set of measurements.
  • Use the “square root” of a series of collected counts of a radioactive sample to bracket experimental data points to show their uncertainty.
  • Differentiate between beta and gamma radiation, and estimate the range of beta radiation in common materials.
  • Define the term “half life,” and determine the half life of an electron-storage device and a radioactive isotope by examination of experimental data.

9.2 – Nuclear Radiation Th-232

Learning Objectives:

  • Define the term “standard deviation” and use it to determine the “standard error” on a set of measurements.
  • Use the “square root” of a series of collected counts of a radioactive sample to bracket experimental data points to show their uncertainty.
  • Differentiate between beta and gamma radiation, and estimate the range of beta radiation in common materials.
  • Define the term “half life,” and determine the half life of an electron-storage device and a radioactive isotope by examination of experimental data.

12.1 – Math Modeling – MicroLAB and/or 12.2 – Math Modeling – Excel

Learning Objectives

  • Learn how models are used in science
  • Learn to use computerized regression analysis for curve fitting
  • Learn to use mathematical modeling to determine the relationships of the variables

12.3 – The Scientific Method Investigations

Learning Objectives

  • Introduce the student to the basic steps of the Scientific Method.
  • Give practical experience in the Scientific Method by solving a simple physical problem via this methodology.
  • Provide experience in presenting the results of the investigation orally and in writing.

13.1 – Computerized Qualitative Analysis

Learning Objectives

  • Use the formation of precipitates and complex ions and an understanding of relative stability sequences, (i.e., transforming one compound or complex into a more stable compound or complex) to separate the cations and anions from each other into major groupings.
  • Separate the individual ions of a group from each other in order that each separate ion can then be caused to undergo a reaction specific for that ion which conclusively identifies it from all other ions in a “confirmation test
  • Understand the origin of and the importance of colors, complex ions, precipitates and stability sequences in the Qualitative Analysis schema.
  • Understand and be able to use the logical thought processes involved in developing a qualitative analysis schema.

14.1 – Creating & Drawing Information from EXCEL Graphs

Learning Objectives

  • Learn to use graphs to draw information from experimental data. Part of this exercise involves work with the EXCEL spreadsheet and a series of example problems.