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WS_Science By You Activity_Chalk it Up

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+ ward ' s science Page 1 Chalk it Up! A Bonding Race Submitted by: Heather H. Recommended Grade Level(s): Appropriate for: Grade 8 – 12 Time Requirements: Activity Time: 35 – 40 minutes Teaching Topics & Concepts: This activity is designed as a reinforcement and review of ionic and covalent bonds, both in writing names and formulas. National Science Standards Alignment HS-PS1-3. Materials: • Notebook paper • Chalk markers • Lab tables • Periodic table Background: Students should understand the following concepts and discuss before the activity: Ionic Compounds: • Ionic compounds are made of charged ions • Ionic compounds are formed between a metal and a non-metal • The charge of an ionic compound must equal zero • Because of the charged ions, ionic compounds can conduct electricity when dissolved in water Covalent Compounds: • Covalent compounds are formed between two nonmetals • Covalent compounds share electrons • Because they share electrons, covalent compounds cannot conduct electricity when dissolved in water 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

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