Rocks and minerals are all around us. Earth’s crust and part of its mantle are made of rock. Rocks are made of minerals and have different properties. The properties of rocks include color‚ texture‚ luster‚ and hardness. We use rocks and minerals in many different ways. The steel in our buildings is made with iron‚ which is a mineral. The clay and glass used in our pottery and dishes are made of a mixture of rocks and minerals. We even need minerals to stay healthy‚ and we get them from a variety
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intrusive rocks harden slowly beneath the surface of the earth‚ and often form large mineral crystals within the rock. Granite is a good example of an intrusive rock.Porphyritic intrusive rocks have large crystals embedded in a matrix of smaller crystals. Pegmatite is the only porphyritic rock on the Science Olympiad list.Extrusive rocks harden quickly during a volcanic eruption and are usually smooth-grained. Basalt is the most common form of extrusive rock. |IgneousName |Classification|Description
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in the rearrangement of molecules‚ but doesn’t affect their internal structures. When you make rock candy‚ you are creating a physical change. When sugar and water mix together‚ they are not forming a new substance‚ sugar dissolves‚ but it doesn’t disappear. So when you crystallize it‚ it still has the same chemical structure‚ the only thing that changed is the physical appearance. When we create the rock candy it will take about a week or more for it to fully form. While we do this project we hope
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Madonna on the Rocks Madonna on the Rocks by Leonardo da Vinci or also known as Virgin on the Rocks caused quite a commotion between Da Vinci and the commissioners due to his unorthodox methods. Madonna on Rocks was one of the only paintings left unfinished by Da Vinci. Da Vinci was commissioned to paint a alter piece for the Confraternity of the Immaculate Conception‚ in the Church of San Francesco Grande in Milan on April 25‚ 1483. It was debated that the conflict was due to monetary payment or
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Sex‚ Drugs‚ Violence and Rebellion. Those were my low expectations of the heavy metal rock concert that took place on 924 Gilman Street in Berkeley‚ California. Due to my lack of knowledge with attending Rock Concerts‚ (mind you this was my first-ever concert in general)‚ my expectations of the concert were based off of stereotypes and television shows that I scrutinized and judged when I was in elementary school. However‚ my thoughts about the concert‚ the people that I was going to encounter‚ and
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Castle Rock Donna K. Martin MAT221: Introduction to Algebra 11/18/2013 Instructor: Vallory Shearer Buried treasure. Ahmed has half of a treasure map‚ which indicates that the treasure is buried in the desert 2x + 6 paces from Castle Rock. Vanessa has the other half of the map. Her half indicates that to find the treasure‚ one must get to Castle Rock‚ walk x paces to the north‚ and then walk 2x + 4 paces to the east. If they share their information‚ then they can find x and
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more crystals at a more rapid pace. The purpose of my experiment is to grow a large amount of crystals on a wooden skewer. Rock candy is a candy made with sugar that I chose to attempt to grow on a wooden skewer. This delicious candy is actually crystallized sugar that I grew from a sugar-water solution. In this science fair project I have learn how to grow my own rock candy and determine if you use different types of sugar‚ it will change the growth rate of your sugar crystals. When I added
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Uncle Rock The Story “Uncle Rock” by Dagoberto Gilb is about a look inside the life of a young eleven year old boy named Erick who uses his actions to show his disapproval of the countless men that come in and out of his beautiful mother’s life. After watching numerous relationships fail‚ Eric finally accepts and adjusts to an unlikely suitor perfect for his mom. Erick starts off very unpleasant to all the men that come into his mother’s life. One morning Erick was enjoying his favorite breakfast
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processes in the rock cycle. External processes include weathering which is the disintegration and decomposition of rock at or near earth’s surface. Mass wasting which is the transfer of rock material downslope under the influence of gravity. And erosion‚ which is the removal of material by a mobile agent‚ usually water‚ wind or ice.. These are all called external processes because they occur at or near earth’s surface and are powered by energy from the sun. If two identical rocks were weathered
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Uncle Rock Analysis Essay The story "Uncle Rock" by Dagobert Gilb follows a young boy named Eric who has a beautiful single mother that is in search of a man with a lot of money‚ who can provide for her and her son Eric. Eric is a cautious and uninviting son who dislikes the attention his mother gains from interested suitors. After watching his mother in countless disastrous relationships‚ Eric is finally content and adjusting to the fact that his mom may have finally found the one.
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