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Welcome to Rocks and Minerals! Click the hammer to continue! Calcite Quartz Diamond Go Back Go On Interesting Fact

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Meet Geologist Dean! Hey everybody! My name is Geologist Dean, and Im going to be helping you throughout this lesson!

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Target Audience My class consists 0f twenty one kids; ten girls ad eleven boys. We usually divide into five group of four, and one group of five. Most of the children speak English fluently; however, two or three are still having a bit of trouble understanding bigger words.

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Environment Available to the students are six desktop computers that they are allowed to use. The classroom also comes with an overhead projector and a Promethean Board.

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Instructional Objectives Provided information on limestone, students will be able to explain its uses and know that it is the most abundant mineral in Indiana without grammatical error. Students will be able to know what the terms luster, cleavage, hardness, streak, and color have to do with identifying rocks, and will be able to explain them without grammatical error. Students will be able to identify calcite, diamond, and quartz when presented with them with little mistakes.

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Welcome to the Rock Lab! Click any of the above minerals to continue!

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Calcite! Mohs Scale of Hardness: 3 Colors: colorless, white, brown, orange, pink, red, purple, Etc. When HCl interacts with it, the rock will fizz! Streak: White Luster: vitreous Calcite is the most common mineral on Earth

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Interesting Facts! Calcite can be ANY of the rock types- sedimentary, igneous, or metamorphic! Calcite has flawless cleavage. Calcite can also be called calcspar.

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Uses for Calcite! The properties of calcite include: construction material, abrasive, agricultural soil treatment, construction aggregate, pigment, pharmaceutical and more! Calcite has many uses as a neutralizer of acids. Powdered calcite is often used as a white pigment or a whitening agent. Some of the earliest known paints were made with calcite! It is a primary ingredient in whitewash, and it is used as an inert coloring ingredient of paint.

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Quiz Time! Fill in the blank! 1.What color is calcites streak? 2.What is calcites luster? 3.Where does calcite rank on Mohs Scale of Hardness?

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OOPS! Somethings wrong! How about we try again?

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Wow! Great job! Youre going to be a great Geologist! Now lets keep going.

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Luster: Vitreous Colors: colorless, white, purple, pink, brown, black, gray, green, and even orange! Streak: white Mohs Scale of Hardness: 7 Quartz

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Fun facts! 1.Quartz occurs in all environments 2.Quartz is the most varied of all minerals. 3.Chalcedony is actually a variety of quartz.

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Uses for Quartz Quartz sand is used in the production of container glass, flat plate glass, specialty glass and fiberglass. Quartz sands and finely ground silica sand are used for sand blasting, scouring cleansers, grinding media, and grit for sanding and sawing. Refractory brick are often made of quartz sand because of its high heat resistance.

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Quiz Time! Where does quartz form? In cavescaves In the rainforestrainforest Everywhere Under the ocean

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Wow! Great job! Youre going to be a great Geologist! Now lets keep going.

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Video slide: the difference between quartz and calcite

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Place on Mohs Scale: 10! Luster: Vitreous Colors: Colorless, white, yellow, and brown, gray, and black Streak: Diamond has no streak!

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Interesting Facts ! 1.Diamonds have historically been sold for more than a million dollars PER CARAT! 2.Colored diamonds are EXTREMELY rare and valuable. That might be why theyre coined fancies! 3.Diamonds have absolutely NO refraction.

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Uses for Diamond Because diamond is the hardest substance on Mohs Scale (it ranks a ten, topping the scale), most diamonds are used as abrasives. Diamonds can also be used in making: windows, speaker domes, heat sinks, low friction micro bearings, and wear-resistant parts! Diamonds can be embedded into the tips of drills, saw blades, and grinding wheels to reinforce the cutting edge.

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Quiz Time (again!) What can you tell us about diamonds now that weve gone over them?

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Wow! You guys are so close to becoming major geologists! Next, were going to talk about Indianas limestone

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Indianas Limestone! Indiana limestone was formed around three hundred MILLION years ago! Out of all the limestone in the United States, eighty percent of it comes from right here in Indiana. In fact, Indiana limestone can be found on buildings worldwide!

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Indiana Limestone cont. Indiana limestone also has another name that we can call it- Salem formation. Limestone is a freestone, which means it has no preferential direction of splitting. Remember Calcite? The limestone in Indiana is made mostly of it at 97%.

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Uses of limestone Limestone is a rock with an ENORMOUS diversity of uses. Most limestone is crushed and used as a construction material. It is used as a crushed stone for road base and railroad ballast. It is used as an aggregate in concrete. It is fired in a kiln with crushed shale to make cement!

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(yet another) QUIZ! One last quiz before the end Can you name a few of the uses of limestone we discussed?

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Wow, great Job you guys! Take the Final Exam! Take the Final Exam!

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THE FINAL EXAM!!! (just kidding, dont be scared!) 1. What color is Calcites streak? a. GrayGray b. BlueBlue c. WhiteWhite d. BlackBlack 2. What is Calcites luster? a. adamantineadamantine b. ShinyShiny c. DullDull d. VitreousVitreous

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Oops Something wasnt right Lets try again, shall we?

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Yay!!! CORRECT!!! Keep it up, future Geologist!

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YAY! CORRECT!!! Keep it up, future Geologist!

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The Final Exam 3. Where is quartz on Mohs Scale? a. Five b. SevenSeven c. TenTen d. TwoTwo 4. Will Calcite scratch Quartz? a. YesYes b. NoNo

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Yay!!! CORRECT!!! Keep it up, future Geologist!

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Oops Something wasnt right Lets try again, shall we?

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Yay!!! CORRECT!!! Keep it up, future Geologist!

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The Final Exam 5. What is Diamonds streak? a. whitewhite b. GrayGray c. BlueBlue d. NoneNone 6. How much Limestone comes from Indiana? a. Twelve PercentTwelve Percent b. Fifty PercentFifty Percent c. Eighty PercentEighty Percent d. NoneNone

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Yay!!! CORRECT!!! Keep it up, future Geologist!

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Oops Something wasnt right Lets try again, shall we?

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Yay!!! CORRECT!!! Keep it up, future Geologist!

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One last thing See the pen icon at the bottom of your screen? (You might have to move the mouse to see it.) Go ahead and click on it, and try to match diamond, calcite and quartz with facts you know about them now! I am a Three on Mohs Scale Colored versions of me are extremely rare, and are called Fancies! I am used in making glass

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Check your answers! See the pen icon at the bottom of your screen? (You might have to move the mouse to see it.) Go ahead and click on it, and try to match diamond, calcite and quartz with facts you know about them now! I am a Three on Mohs Scale Colored versions of me are extremely rare, and are called Fancies! I am used in making glass

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CONGRATULATIONS! Congratulations! Youre officially a geologist! Im so proud of you!

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Your certificate, Geologist! Congratulations! For all your hard work has paid off, and now you are a geologist too! Type your name here