LSUMNS Secrets of Sand

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Excerpt from Louisiana SeaGrant’s SeaScope Folio by Dr. Pamela Blanchard

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LSUMNS Secrets of Sand

  1. 1. 07/29/14 LOUISIANA STATE UNIVERSITY 1 “Secrets of Sand” Excerpt from Louisiana SeaGrant’s SeaScope Folio by Dr. Pamela Blanchard http://www.lamer.lsu.edu/classroom/seascope/index.htm
  2. 2. 07/29/14 LOUISIANA STATE UNIVERSITY2 “Secrets of Sand” Folio • Grade level = middle school (grades 6-8) • Subject area = earth science, math • Process skills = observing, describing, measuring • Components = Wentworth Class Scale, background, procedure/preparation, worksheets, activity extensions, resources
  3. 3. 07/29/14 LOUISIANA STATE UNIVERSITY3 What is sand? • A geological term applied to particles with a diameter between 1/16mm-2mm • Accumulation, or deposit, of small particles, such as a sand dune • Most sand starts life as a rock - broken down over time by wind, rain, rivers, and frost
  4. 4. 07/29/14 LOUISIANA STATE UNIVERSITY4 Common sources of sand: • Skeletal remains of organisms (e.g. shells, sea urchin spines, coral) • Weathering of continental granite rocks (mostly quartz and feldspar)• Weathering of oceanic volcanic rocks (e.g. lava, olivine) • Grains precipitated from water (especially found in highly salty water)
  5. 5. 07/29/14 LOUISIANA STATE UNIVERSITY5 Activity Procedure • Use Scope-On-A-Rope to look at sand samples • Students observe/list physical properties using worksheet • Measure sand grains using SOAR and determine if sample is well-sorted or not
  6. 6. 07/29/14 LOUISIANA STATE UNIVERSITY6 Activity Extensions • Language Arts: Sand Grain Saga • Art: Sand Painting • Geography: Locating sand samples on a map • Home Economics: Sand Tart Cookies
  7. 7. 07/29/14 LOUISIANA STATE UNIVERSITY6 Activity Extensions • Language Arts: Sand Grain Saga • Art: Sand Painting • Geography: Locating sand samples on a map • Home Economics: Sand Tart Cookies

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