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Health: What Causes Tooth Decay (2-6)
OFCN's Academy Curricular Exchange - Miscellaneous Academy Curricular Exchange Columbia Education Center Miscellaneous TITLE: WHAT CAUSES TOOTH DECAY AUTHOR: MELODIE HILL, Lewis Arriola Elemen., Cortez, CO GRADE LEVEL/SUBJECT: Health: Grades 2-6 OVERVIEW: Tooth decay...
 A Classroom Full of Resources
22Mineral Information Institute Littleton, Colorado www.mii.org Your door knobs, locks and hinges are brass or steel (copper, zinc, iron ore, and alloys). Your electrical wiring is of copper or aluminum (bauxite). Your plumbing ! xtures may be made of brass (copper and zinc)...
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22Mineral Information Institute Littleton, Colorado www.mii.org Your door knobs, locks and hinges are brass or steel (copper, zinc, iron ore, and alloys). Your electrical wiring is of copper or aluminum (bauxite). Your plumbing ! xtures may be made of brass (copper and zinc) or stainless steel (iron, nickel and chrome). Your toilets, sinks and bathtubs are made of porcelain (clay) over iron, or plastic (petroleum). Your sewer system is made of clay or iron pipe (plastic pipes are made
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http://www.mii.org/pdfs/classroom.pdf#page=4
www.mii.org/pdfs/classroom.pdf#page=4
22Mineral Information Institute Littleton, Colorado www.mii.org Your door knobs, locks and hinges are brass or <span class="highlight">steel</span> (copper, zinc, iron ore, and alloys). Your electrical wiring is <span class="highlight">of</span> copper or aluminum (bauxite). Your plumbing ! xtures may be made <span class="highlight">of</span> brass (copper and zinc) or stainless <span class="highlight">steel</span> (iron, nickel and chrome). Your toilets, sinks and bathtubs are made <span class="highlight">of</span> porcelain (clay) over iron, or plastic (petroleum). Your sewer system is made <span class="highlight">of</span> clay or iron pipe (plastic pipes are made
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