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Rose Windows are a feature of Gothic architecture. Gothic architecture began around 1120 in continental Europe. Rose windows are made out of colored glass pieces, held together by lead bars. They make symmetric geometric designs. They have both mirror and rotational symmetry. They can have 6,8,12,16 or even 24 stone-framed spokes. The stone frame is called "tracery" To tint glass, craftsmen added minerals to melted sand.geology.com/articles/color-in-glass.shtm Cadmium Sulfide: Yellow Gold Chloride: Blue-Violet Manganese Dioxide: Purple Nickel Oxide: Violet Sulfur: Yellow-Amber Chromic Oxide: Emerald Green Uranium Oxide: Fluorescent Yellow, Green Iron Oxide: Greens and Browns Selenium Oxide: Reds Carbon Oxides: Amber Brown Antimony Oxides: White Copper Compounds: Blue, Green, Red Tin Compounds: White Lead Compounds: Yellow Manganese Dioxide: A "decoloring" agent Sodium Nitrate: A "decoloring" agent I tried to make a rose window myself: Pictures of real Rose Windows:
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My grandpa came to visit recently. He lives in Russia, so I only see him about once a year. He took me along for a hike in the hills around here. We hiked up a hill. Instead of trying to find a road up, we scrambled directly up the hillside, through the slippery new green grass, mud, and old straw. On the way there I found a deer antler. I think, it is a deer antler, because it is shaped like a deer antler and about the right size. At first, we thought it could be an oddly shaped stick, but later we found out it was an antler. The bottom of it had small notches all around and remnants of the dried up soft pad that used to attach it to the animal's head. The tips were rounded, smoothed and looked finished. If it were a branch, they would be broken or very thin, where a leaf could be attached. It is much harder than wood, and weighs more than a stick this size would - as much as a large book. I think the deer who shed it was three years old, because it has three points. The first stretch of the antler (maybe, a trunk of it?) is somewhat curved , round and about an inch and a half in diameter. When it splits in two pointed branches, one of them splits again into two small round tips. The entire antler is a little over a foot long and half a foot between tips of the branches. It is warm dirty white with darker wrinkles. It's general texture is smooth, but it got notches and ridges. The tips are more rough, like large grain sandpaper. When the antlers are on the deer, they are brown. This one was probably shed last February. I think they get whitened from exposure. Antlers and horns are different: antlers fall off every year; horns stay on the animals head and grow all its life. Rams,bulls, and goats have horns. Deer, elk and moose have antlers. Female deer can also grow antlers, but not always, and they are very small or deformed (or both). There was a reservoir and a great veiw at the top of the hill. Turned out there was a road leading up the hill. We came down the road, and almost got lost on the way home. Everybody liked my antler. |
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Salt (NaCl) is the only mineral that we can eat. Everything else was once alive or produced by something alive. We (all mammals) need salt. We need sodium ions in salt for our cells to function. Food can be preserved by salting. We need salt to live. We use salt in technology. Those who controlled the salt trade had power. Right now USA is the greatest producer of salt. Early hunters didn't need to think about salt because there is salt in the blood of animals. When people began to settle in one place and farm they needed to get salt elsewhere. One of the places to find salt are dried salt lakes. Herbivores normally find them before people. Early farmers probably tamed animals by giving them salt. The most plentiful source of salt is the ocean, but ocean water needs to be boiled for hours and fuel is very expensive. A solution is to put seawater in ponds, though it can take a year to evaporate. They do so in the south, where there is more sun. Another source of salt is rock salt. Most rock salt is very pure. There are rock deposits under USA, Spain, Poland and many other places. Rock salt is beautiful. Each salt mine is unique, some black, some red, some striped, some pure white. For the long time the Romans controlled the western part of the Old World and salt was their key to power. Roman cities were often built near salt works. The Romans believed that everyone should have salt. It was normally served in a seashell, but if a rich man was having a party he would serve it in a silver bowl. Roman emperors tried to control the price of salt and keep it down to make people happy. Sometimes they taxed salt to raise money for army, and sometimes gave it out for free to gain public support. French prisons were so horrible that many prisoners died before trial. So they were preserved with salt and kept until their court day. One poor criminal was kept salted for seven years before his case was dropped and he was buried. The French king Louis XIV raised salt taxes so outrageously that people began to smuggle salt, and many were put to death for salt smuggling. Salt taxes were among the reasons for American colonies to rebel. Search for salt and rewards for establishing saltworks helped independent America grow. For the long time India was ruled by Britain. Britain forbidded the local manufacture of salt and made locals to buy expensive English salt. A man called Gandhi said he would walk to to Dandi on the Arabian sea and make his own salt there. In the middle of 19th century people found that salt domes indicate the presence of oil. Turned out that salt was plentiful underground, and so was oil. I liked the book. I found that in this book it was salt that controlled lots of other things, but in another book that was gold, and in yet another it was cod. It sounds like the author makes whatever topic he is writing about to be super powerful.
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Sight: Shaped like a long knife, it is striped like a zebra. Smell: It smells warm and fuzzy, or maybe better described as grandma smell plus almond smell minus most of the strength. Taste: It PROBABLY tastes like hair but I'm not gonna find out because I'll get sick if I stick it in my mouth. Hearing: If you run your finger along it, it sounds like someone slipped while running on a plastic floor in shoes. Touch: It feels soft and smooth, but stiff |
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The vital process: Photosynthesis by Jeffrey J.W.Baker The Greeks thought plants eat dirt. It seemed logical, there were lots of roots in the ground, some have food in them. But where do plants get their food? 2000 years later Van Helmont thought that if plants got their nutrition from dirt, then the dirt would be losing matter. Van Helmont conducted an experiment to test that plants eat dirt: he put a 5-pound willow tree into a 200-pound pot of dirt. In five years he dug up the tree and weighed it again: it had gained over 160 lb while the dirt lost only 2 ounces. Since the only thing Helmont had added to his willow pot was water, it seemed logical to believe that plants eat water. Actually, his willow was also exposed to air and sunlight, but he didn't realize they mattered. One day a man called Grew looked at the surface of a leaf through his microscope and saw tiny pores. Grew wondered what they were for. First he thought they were for letting out sap, like perspiration. But he considered a second possibility: that pores were for taking in air. Stephen Hales tested this idea. He took two pots with soil, covered them with inverted glass vessels, and put a mint plant in one of them. When he used a syphon to raise water level in the vessels. When he watched the water level for two month. Any difference in water level would mean that plant does something to the air. The water level in a vessel with the plant was higher. It meant that the plant was taking something out of the air. Eventually, the mint plant died. Hales put another mint plant in the same jar (without letting any air in), and it died in several days. Next was Englishman Priestly. He put a burning candle in the inverted glass vessel, and it shortly extinguished*. He also discovered that a mouse would also die soon under the glass vessel. He also found that a candle wouldn't burn in the container there mouse have died, and a mouse wouldn't live in the container there candle went out. He thought that both mouse and candle "damaged" the air. He thought that mouse "burned" in some way. He wondered how we can still breathe the air after all these thing who breathed for thousands of years and all these fires burning all over the world. Something should be repairing the air. He found what it was: he placed a string of mint under the inverted jar, but it didn't die. When he placed a candle, and when a mouse in the same jar with a plant. The candle burned and the mouse lived. A man called Jan Ingenhousz repeated Priestly's experiments and found that Priestly was correct but that plants could only clean air in the light. Ingenhousz dicovered that in the dark plants also dameged the air. Ingenhousz also found out that only the leaves and young stems could fix the air. Ingenhousz wondered what did they have in comon that the rest of the plant doesn't. He guessed right: they were green. Priestly tried putting a mouse and a plant in an airtight vessel: they lived. Further experiments found that plants use Carbon dioxide. The formula is (CO2)+(H2O)+light-->+green substance=glucose+O2 ...TBC... *We (Clem, Rafie, and I) did that experiment with another candle in the open air for control. We repeated it ten times to make sure we got it right. |
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I wasn't blogging all summer. We had a co-op today. I had Latin, Radio lab and Shakespeare "reader's theatre": we were reading "Midsummer Night's Dream" aloud. |
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I read a book called "Troll Fell" by Katherine Langrish. Peer's carpenter father just died, at his funeral Peer is token away by "Uncle" Bulgar the Troll Fell miller. Uncle Bulgar has a twin brother named Uncle Grim. Peer makes fiends with a girl called Hilde and nis (house spirt) called Nithing. Peer discovers his uncles wicked plan to sell a matching pair of human beings to trolls for a wedding. Later he runs away and find out that Bulgar and Grim kidnaped Hilde's twin brother and sister, Sigurd and Sigrid. Together Hilde and Peer rescue them. In the end Peer gets adopted by Hilde family. |
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read book called East by Edith Potoow. Summery later. |
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This is my Fayum portrait work. I painted it with acrylic, but using Tempera technic. It means that my colors were not transparent and layers didn't blend (if I waited for them to dry which is the way to pait in Tempera technic). Actual Fayum portraits were painted in tempera or wax paint (encaustic). Wax paints are translucent, you can't paint over with them but they do not really blend at all. Fayum portraits were funeral masks generally painted on wood. Fayum Portraits are called "Fayum Portraits" because Fayum is an place in Egypt where most of them were found. Fayum portraits were made in Egypt under Roman occupation and after the Greek influence. Tempera is Roman and Wax Paint is Greek. Also they used some of the Romans realism. The Fayum Portrait Wikipedia article: //en.wikipedia.org/wiki/Fayum_mummy_port Here are some real Fayum Portraits: |
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This is from class.georgiasouthern.edu/writingc/hando Double Negatives Worksheet
1. She couldn’t eat (anything, nothing).
2. I didn’t see (nothing, anything). 3. We (could, couldn’t) hardly see through the fog. 4. She did not have (anything, nothing) to read. 5. I could not see (no, any) way to help. 6. I cannot find my money (anywhere, nowhere). 7. You (can, cannot) scarcely recognize her. 8. The children do not need (no, any) candy. 9. We barely had (any, no) money. 10. William (could, couldn’t) hardly wait. 11. Jim was not carrying (no, any) packages. 12. The tear in his shirt (was, was not) barely noticeable. 13. The lecturer did not say (anything, nothing) interesting. 14. Of all the cars I tried, I did not buy (none, any). 15. The baby (cannot, can) hardly walk yet. 16. Isn’t there (nothing, anything) you want for Christmas? 17. Haven’t you (any, no) size 10 dresses? 18. We did not meet (nobody, anybody) at Jane’s party. 19. I could not find my purse (nowhere, anywhere). 20. The wind was so strong I (could, couldn’t) hardly stand. |
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I just tried once and going to do more of it soon. These are some links to actual Goldsworthy movies: www.artofproblemsolving.com/Books/AoPS_B www.youtube.com/watch Here are some images of what Goldsworthy did: images.google.com/images |
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I did triplets in www.thatquiz.org: Length: 100 |
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Тест на логическое мышление: 30 logical problems (in Russian). It goes like this:
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A list of equipment for a hiking trip. For two people: |
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Yesterday, we went hiking up the Deer Hill. Today we went to the Mount Diablo. The weather was fair, but there was dust in the air, so we couldn't really see very far. We saw a movie about rock formations in the visitor center. It said that part of the rock Mount DIablo is made of is made out of shells and sea creatures skeletons. I made "shambols" out of pieces of string and grass. Shambols are witch's tools from Terry Pratchett's "Wintersmith" book I just finished. After that I fenced with my mother and my brothers. We use foam swords, which don't hit hard. It is still rather scary.
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