SUBSCRIBE chat center Gazette|Chatboards|Lessons|Projects|Classifieds|Mailrings|Jobs|Harry Wong|Live!|Advertise NEW LESSONS SEARCH BROWSE SUBMIT! <<PREV MORE LESSONS NEXT>> Share | Print Teachers.Net Lesson Bank Search Teachers.Net Advanced Quick Links: Set Teachers.Net Lesson Exchange #103. Fun with Formulas Science, level: Senior Posted by Barbara (bshaw@tenet.edu). Westfield HS/ Spring ISD, Houston, TX Materials Required: Teacher prepared "dice" with ions printed on each side (2) Activity Time: Varies according to class Concepts Taught: Practice writing formulas/naming compounds Have students divide into groups of two. Each one picks a different color dice. Each dice has either positive ions or negative ions. Students roll the dice and write the correct formula using the valences and/or write the correct name. Can be as many combinations as you are willing to make dice. Key is a grid with positive ions across the top and negatives down the side. Correct answer is located where the coordinates meet. Submit Lesson   Search   Browse   Request Lesson

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