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WS_Science By You Activity_Secret Code Game_Final

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+ ward ' s science Page 1 Secret Code Game—Discovering Dichotomous Keys Submitted by: Janett A. Recommended Grade Level(s): Appropriate for: Grade 7 Time Requirements: Prep Time: 45 minutes Activity Time: 50 minutes Teaching Topics & Concepts: Students will learn how to read and interpret a dichotomous key. National Science Standards Alignment NGSS: MS-LS4-2. Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships. Texas TEKS: 7.11A: Examine organisms or their structures such as insects or leaves and use dichotomous keys for identification. Materials: • 4 Quart size bags • Pencil • Pen • Color pencil • Highlighter • Staple • Paper clip • Paper fastener/ brad • Thumb tack • Note card • Sticky note This content is being brought to you by the Ward's World, Science By You program. This program brings lesson and classroom activity ideas directly from science teachers around the nation right to you. From best practices to activities, Science by You offers inspiration for every subject and every grade level. Interested in sharing your own content? Learn how today. PMS200 Black 70% Cool Gray 10 Black Astra Regular get for free from dafont.com Safety • Be careful when handling sharp objects. • Always point sharp objects away from you and other people when examining. ! • Sticker • Tissue • Eraser • Tape • Stamp • Rubber band • These Things are not Like the Other Handout—1 per group • Secret Code Dichotomous Key Handout—1 per student • Secret Code answer document Handout—1 per student • Timer

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