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Who’s the Daddy? A Problem Based Learning Unit on DNA Structure, Function and Analysis
Danielle BenedettoKathy Hoppe
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What is PBL?????
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Goals Of PBL
PBL Model
Motivate and Involve Students
Facilitate Learning Rather Than Dictate
Interdisciplinary Lesson ELA/Science
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Students working together in small groups to solve real world problems
through:
Stories Personal Inquiry
Literature Research Scientific Inquiry
Group Problem Solving Reporting Out
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Standards Anyone?
Math and Science
Social Studies
ELA
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In the Beginning…….
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Now!
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Who’s the Daddy? Take a Book Tour (Contents)
Where do I find this unit online? www.sciencesupport.net go to right side and click problem based learning under “What’s New?”
Pre-Assessment What do you know about DNA?
Complete a Carousel Brainstorm Activity Use a different color pen in each group Travel to each poster and brainstorm in
order to finish the statement Return to original poster in your group and
report out
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Who’s the Daddy?
Background: Part 1: Building DNA Building DNA Model (p. 16-19)
DNA Explorer (p. 20-21)
Part 2: PBL 1 Who’s the Daddy Read PBL 1 (p. 22-23) Highlight or use post-it notes to
identify important information
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Work on Your Own
List Facts
Develop Questions
Record Lists on Individual Facts and Individual Questions Sheets
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Team Roles: Role Cards
Secretary
RecorderSpokesper
son
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Brainstorm Guidelines
Take Turns and Call out ideas
Record ideas as stated (verbatim)
Strive for quantity
Resist evaluation of ideas
Encourage all ideas
Piggy-back on other ideas
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Team Brainstorming Recorder creates 2 posters
Team brainstorms a list of Facts Team brainstorms a list of Questions
Each team member adds to their “Facts” and “Questions” sheets (Optional)
Facts Questions
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BREAK
Who’s the Daddy?
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Part 2: PBL 1 Who’s the Daddy DNA Extraction (p. 26-30)
Part 3: Research Spinner Activity Chart (p. 31-34)
Technical Information DNA Analysis (p. 35-40)
Who’s the Daddy?
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How do we STOP and SPIN?How do we STOP and SPIN? You will read sections of the article provided Use the spinner in order to choose a word which
will direct you on how to explain the text (in a chart)
Each person in your PBL group may spin and use a different way to interpret the text such as:
Predict: write about what might happen in the future Describe: write what is happening Compare: write about things that are the same Clarify: write about the text to get rid of confusion Visualize: recall in images; describe a picture Summarize: write a short explanation of what you
read Question: write to ask for more information or to find
out something that is unclear
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Stop and Spin ActivityStop and Spin Activity Summarize
Visualize
Clarify
Compare
Question
Predict
Describe
ARTICLE: Technical Information about DNA Analysis
PredictDescribe
QuestionClarify
SummarizeCompare
Free PickVisualize
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Who’s the Daddy?
Part 4: PBL 2 Who’s the Daddy PBL Story (p. 41)
Simulated Gel Electrophoresis (p. 42-47)
Bioethical Decision Making (p. 48-49)
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Debriefing
WHAT DO YOU LIKE?
SUGGESTIONS
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Our Path PBL: Who’s the Daddy?
PBL: Family Secrets
Biodiversity Lab
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More PBL’s Available Online Mad Honey Killer Bees Diagnosis Sam Quiggle (adapted from unknown
author) Owl and Hurricanes Mitosis and Meiosis (adapted from UB)
www.sciencesupport.net