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High School Food Safety Lessons

Lesson 4 Irradiation Web Quest
National Health Education Standards
(grades 9-11) 1:1, 2:1, 4:3, 7:2
Time: One 45 minute class period
teacher note
This lesson is discrete and can be taught as a single lesson or in conjunction with others in this series. The Teacher Resources include pre-and post-tests for this lesson; these may be used at the teacher's discretion. The lesson includes four activities.
Student Learning Objectives
  1. Students will be introduced to the four main purposes of food irradiation.
  2. Myths about food irradiation will be discussed.
  3. Students will learn some of the advantages of food irradiation.
  4. Students will learn the three different kinds of organisms that are reduced or eliminated by irradiation.
  5. Students will gain an overview of the point of view of those who endorse irradiation and the point of view of those who are worried about irradiation.
  6. Students will begin to understand why irradiation causes controversy.
Required materials
Preparation
  • Read pages 24-25 from Food Safety A to Z Reference Guide.
  • Request a video tape recorder and TV monitor
  • Check this website for answers to Web Quest www.cfsan.fda.gov/~dms/fdirrad.html
  • Place web sites listed under Activity 3 on the board
  • Obtain a bowl or box for numbered cards (see Activity 3)
  • Prepare cards with three different numbers on each.
teacher note

This lesson was drawn from the third module in Science and Our Food Supply: Investigating Food Safety from Farm to Table: Teacher's Guide for High School Science Classroom (National Science Teacher's Association, (703)243-7100).

This innovative and supplemental curriculum introduces students to the fundamentals of microbiology while at the same time imparting important public health information.

The curricula found in Science Our Food Supply were developed in cooperation with the U.S. Food and Drug Administration (FDA). The curricula that you will be using includes two laboratory lessons and three public health lessons. In different formats, these lessons are in Science and Our Food Supply. The lessons have all been tested by an experienced team of middle level teachers and meet National Science Education Standards.

*Permission has been granted in advance for the reproduction of these print materials in their entirety.
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