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SWEET CLASSIFICATION

SWEET CLASSIFICATION

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SWEET CLASSIFICATION

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  1. SWEET CLASSIFICATION By: Laura Robertson & Thomas Tatum Insert Image

  2. SWEET CLASSIFICATION:For the Teacher Practice Creating Dichotomous Keys

  3. Lesson Overview • This lesson is designed to guide students through the process of creating dichotomous keys. Students will classify candy based on observable characteristics. • Inquiry skills include observing and classifying • At the end of the lesson, students will complete a performance assessment in which they create a dichotomous key for a set of butterflies.

  4. Instructional Goals Standards 5: Biodiversity and Change Conceptual Strand: A rich variety of complex organisms have developed in response to a continually changing environment. Grade Level Expectations • GLE 0807.5.1 Identify various criteria used to classify organisms into groups. • GLE 0807.5.2 Use a simple classification key to identify an unknown organism. • GLE 0807.Inq.8.2 Use appropriate tools and techniques to gather, organize, analyze, and interpret data.

  5. Formative Assessment • The performance assessment will require them to use observational and classifying skills to create a dichotomous key for a given set of butterfly pictures. • Students will be assessed on their ability to classify butterflies based on observed characteristics.

  6. Formative Assessment Rubric Provided By Buffalo Public Schools www.buffaloschools.org/science/portfolio/portfolio05.htm

  7. Opening The Lesson • Open the lesson by providing each student with a bag of assorted candies. Have each student make a list of observations about each piece. • Ask the student some questions: How are the candy pieces similar? How are they different? What are they called? Would it matter if you identified them incorrectly? How could you help someone differentiate between them if they had never seen any of them before?

  8. Developing The Lesson • Structured Inquiry - • Build a dichotomous key on the board using student-generated questions. • Reinforce that questions should be yes/no and the answers should direct you to the next set of questions • Guided Inquiry – • Pose the question “How can we create a dichotomous key for butterflies?” • Provide each student set of pictures of 6 butterflies. (See Figure 1) • Students then build a key for the butterflies.

  9. Closing The Lesson • Book Talk – How Dinosaurs Took Flight, by Christopher Sloan • Read and discuss Pgs.20-21 • Ask questions similar to opening (e.g. How are birds and dinosaurs similar? How are they different? What are they called? Would it matter if you identified them incorrectly? How could you help someone differentiate between them?)

  10. Teacher Resources • Assorted candy • Butterfly pictures • How Dinosaurs Took Flight, by Christopher Sloan • “Dichotomous Keys” by Megan Miller • “Project Oceanica”

  11. Enrichment Activities • Students could create a dichotomous key for items in their homes. • Students could research the links between dinosaurs and birds.

  12. Accommodations For Special Learners • Small groups should be ability grouped • Teacher should circulate and help as needed • Peer tutors

  13. Standardized Test Item

  14. SWEET CLASSIFICATION: for the Student

  15. Learning Goals • You will be able to describe the similarities and differences between organisms. • You will be able to classify animals into groups based on similar features. • You will be able to infer how organisms are related. • Use a simple classification key to identify an unknown organism.

  16. Assessment • You will be graded on your completed dichotomous key of butterflies. • Be sure to look over rubric and check of what you have done. • See attached.

  17. Learning Activity • You are an entomologist working for the Knoxville Zoo. You have been asked by an 8th grade class to help them identify 6 butterflies that they recently collected on a field trip. Design a dichotomous key that will identify each butterfly.

  18. Enrichment Activities • Create a dichotomous key for items in your home. • Research the relationship between dinosaurs and birds.