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ELEMENTS are everywhere! ELEMENT #1 What element is in this ring? The spiral pattern on this ancient Celtic ring represents the spiral / circle of life. GOLD (Au) Latin: aurum • 2/3 of the world’s gold comes from South Africa • 2/3 of US production comes from S. Dakota and Nevada ELEMENT #2 What element do these things have in common? Here’s a hint… IRON (Fe) Latin: ferrum Cheapest… Most common… Most useful… Used extensively for the making of STEEL IRON (Fe) Latin: ferrum The most common ore (source) is hematite. IRON (Fe) Latin: ferrum This iron pillar from AD 400 still stands in Delhi, India IRON (Fe) Latin: ferrum It also carries oxygen in hemoglobin in red blood cells. ELEMENT #3 Both superman and kryptonite are from… KRYPTON (Kr) Greek: kryptos Means “hidden” Krypton is a gas Used in flash lamps for high speed photography ELEMENT #4 This element is in thermometers MERCURY (Hg) Greek: hydoor (living) + argyros (silver) Found in Egyptian tombs of 1500 B.C Spain and Italy produce 50% of the world’s mercury. ELEMENT #5 What element is a gas that glows and is used in TV tubes, lasers and cryogenic freezing? NEON (Ne) Greek: neos ELEMENT #6 We eat this element every day, we immerse ourselves in it in the summer, and it is used to produce safe drinking water… CHLORINE (Cl) Greek: chloros meaning greenish yellow We eat it every day combined with sodium in the form of SALT CHLORINE (Cl) Greek: chloros meaning greenish yellow We immerse ourselves in it in the summer when we swim in a POOL CHLORINE (Cl) Greek: chloros meaning greenish yellow It is used to produce safe drinking water CHLORINE (Cl) Greek: chloros meaning greenish yellow Ecuadorian tree frogs have chlorine in their skin which is a powerful pain killer (200 times more effective than morphine)… but in large doses it can kill you! ELEMENT #7 What element is present in these items? CALCIUM (Ca) Latin: calx Calcium is referred to as lime. It is found in nature as limestone. CALCIUM (Ca) Latin: calx Calcium can clog pipes…that’s what’s in “hard water” CALCIUM (Ca) Latin: calx Some cave formations are made of calcite… CALCIUM (Ca) Latin: calx Ants in the pants… mites go UP, tights go DOWN Stalagmites Stalactites ELEMENT #8 What element is in your toothpaste? FLUORINE (F) French: fluere Means flow or flux… It is a yellow gas. In water, fluroine helps prevent cavities and interestingly it is also being studied as a rocket propellant! FLUORINE (F) French: fluere Also used to make uranium used in nuclear energy. And in air conditioning and refrigeration (CFCs) ELEMENT #9 Do you recognize this character? He is Gollum from Lord of the Rings and he is made of sand which contains the element SILICON SILICON (Si) Latin: silex Means flint. Silicon is the second most abundant element making up ¼ of the earth’s crust. It also is present in the sun and stars. SILICON (Si) Latin: silex Not found free in nature… it is found in sand, quartz, and clay. SILICON (Si) Latin: silex Silicon crystals are used to make semiconductor devices and solar cells used to capture solar energy. SILICON (Si) Latin: silex Silicon in the form of sand and clay is used to make concrete, brick and glass. SILICON (Si) Latin: silex Water organisms called diatoms extract silica from water to build their glass-like shells.