Manipulating Genetics: GMO STEM Unit + Classroom Debate (5E Model)

lesson overview

Manipulating Genetics: GMO STEM Unit

Students will complete a hands-on apple observation of GMO and non-GMO apples, giving students the opportunity to look, smell, touch and taste the different varieties. Building from this experience, students will explore key genetic concepts on GMOs through readings, videos, and discussions. Students will then apply this concept to a classroom debate researching the pros and cons of GMOs.  As an application of knowledge, students will also investigate GMO products and labeling. A final assessment is provided, along with a brief introduction to hybrids for students to have the opportunity to compare and contrast hybrids to GMO’s.  

Key Science Concepts: 

• Humans can influence the inheritance of desired traits in organisms.

• GMOs are created using modern advances in biotechnology that allow scientists to directly modify the DNA of microorganisms and crops.

• Genetically engineered crops produce higher yields, have a longer shelf life, are resistant to diseases and pests, and even taste better.

• Genetically modified foods do cause controversy. Genetic engineering typically changes an organism in a way that would not occur naturally.

Complete 5E Science Unit:

1. ENGAGE: Which Apple Do You Think Will Brown The Fastest?

2. EXPLORE: Apple Observations, Arctic Apple vs. Golden Delicious

3. EXPLAIN: Connect Apple Observations to Science Concept (GMOs)

4. ELABORATE: Deepen Understanding with a Classroom Debate For or Against GMOs + The Hunt for GMO Labels

5. EVALUATE: Assess Student Learning with Reflections + Exit Ticket and Comparing and Contrasting GMOs to Hybrids

5-90 minute Lesson Sequence:

• Session 1: Which Apple will Brown the Fastest? + Apple Observations

• Session 2: Connecting Apples to Science Concept + GMO Debate Prep

• Session 3: GMO Debate and Reflection

• Session 4: Career Connection + The Hunt for GMO Food

• Session 5: GMO vs. Hybrid + Exit Ticket

Recommended Materials:

• Arctic Apples (1-2 per group)

• Golden Delicious Apple (1-2 per group)

• Paper Plate (1 pre group)

• Knife/Apple Cutter

• Timer

• (Optional) GMO products/labels

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