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GK-12 Saturday Workshop February 6, 2010
CT: Gwen Blankenship RS: Amy Zimmerman
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Outline “Small Things Considered” “Soap vs. Sanitizer”
Bacterial numbers game “Soap vs. Sanitizer” Laboratory experiment
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Small Things Considered
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Activity Objectives Gain an appreciation for the ubiquity of microbes
Understand that only a small percentage of bacteria are harmful
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Standards Covered 7th Grade: Life Science 9-12th Grade: Biology
1. All living organisms are composed of cells, from just one to many trillions whose details usually are visible only through a microscope. 9-12th Grade: Biology 10.d. Students know there are important differences between bacteria and viruses with respect to their requirements for growth and replication, the body’s primary defenses against bacterial and viral infections, and effective treatments of these infections.
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Prior Knowledge Bacterial replication Species classification
Vocabulary: Pathogenic
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Activity Work in groups of 2-4 Cards Goal Green: Bacterial Abundance
Pink: Bacterial Distribution Goal Match the correct number with the definition card
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Answers
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Answers
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Post-Assessment Class discussion What was most surprising?
How do you feel about bacteria now? What was most surprising? How do you feel about bacteria now?
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Soap vs. Sanitizer
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Activity Objectives Practice good experimental design
Create, analyze, and interpret data Learn basic microbiology techniques Increase awareness about hand hygiene
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Standards Covered 7th Grade: Life Science
1.a. Students know cells function similarly in all living organisms. 2.a. Students know the differences between the life cycles and reproduction methods of sexual and asexual organisms. 7.a. Select and use appropriate tools and technology to perform tests, collect data, and display results. 7.c. Communicate the logical connection among hypotheses, science concepts, tests conducted, data collected, and conclusions drawn from the scientific evidence.
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Prior Knowledge Elements of experimental design Scientific method
Bacterial replication
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Pre-lesson Refresher on scientific method and experimental design
Experiment presentation
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Post-Assessment Analysis of results Post-lab questions
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