Fireworks
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The Chinese discovered fireworks around 2000 years ago when a chef accidentally dropped saltpeter into a fire. Europeans discovered fireworks in the 13th century when Italians began using them for entertainment. Modern fireworks are commonly used in special events like national holidays, weddings, and religious celebrations around the world.
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Firework presentation
Fireworks are explosive devices that produce colorful displays of light during celebrations. There are three basic types: firecrackers, sparklers, and aerial fireworks. Fireworks were invented in China in the 7th century to scare away demons. They are commonly used during celebrations like the 4th of July and produce colors through the burning of metal salts added during manufacturing. While fireworks can be dangerous if misused, they are not inherently dangerous when properly handled according to safety guidelines. The cost of a basic fireworks display is between $500-$1000.
Fireworks and its ill effects on atmosphere and greenhouse effect
Fireworks originate from China and were originally invented to scare away evil spirits. They have since become popular entertainment items that are classified as either ground or aerial fireworks. Fireworks produce extensive air pollution through the release of metal particles, toxins, and smoke that can linger for hours or days and negatively impact health by causing issues like coughing, wheezing, and heart attacks. Burning firecrackers emits gases like carbon dioxide and nitrogen/sulfur oxides that create a greenhouse effect trapping heat at the Earth's surface and contributing to global warming.
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This document discusses the history and safety of fireworks. It notes that fireworks originated in China in the 7th century and were used to accompany festivities. They later spread to other cultures and societies. In America, early settlers brought fireworks and used them to celebrate important events like Independence Day. The document provides tips for safely using fireworks, such as only lighting one at a time and having a water source nearby in case of fires.
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Fireworks are explosive devices that produce colorful displays of light during celebrations. There are three basic types: firecrackers, sparklers, and aerial fireworks. Fireworks were invented in China in the 7th century to scare away demons. They are commonly used during celebrations like the 4th of July and produce colors through the burning of metal salts added during manufacturing. While fireworks can be dangerous if misused, they are not inherently dangerous when properly handled according to safety guidelines. The cost of a basic fireworks display is between $500-$1000.
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Fireworks originate from China and were originally invented to scare away evil spirits. They have since become popular entertainment items that are classified as either ground or aerial fireworks. Fireworks produce extensive air pollution through the release of metal particles, toxins, and smoke that can linger for hours or days and negatively impact health by causing issues like coughing, wheezing, and heart attacks. Burning firecrackers emits gases like carbon dioxide and nitrogen/sulfur oxides that create a greenhouse effect trapping heat at the Earth's surface and contributing to global warming.
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This document discusses the history, components, chemistry, and safety of fireworks. It explains that fireworks produce color through the combustion of different metal elements and compounds. Lithium makes red, sodium makes gold and yellow, and barium makes green. The history section notes that the Chinese used black powder over 1000 years ago and that fireworks were used against Mongol invaders in 1279. The document provides safety tips, advising leaving fireworks to professionals and taking reasonable precautions to avoid injuries.
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The passage discusses the history and development of modern architecture. It notes that architecture reflects both scientific/technological achievements as well as the ideas of designers and clients, though individual building designs can be controversial. The origins of modern architecture can be traced back to social and technological changes in the 18th-19th centuries, when architects began exploring new materials like steel, glass, and reinforced concrete instead of traditional materials like timber and stone. While architectural styles cannot be precisely defined or dated, this marked the beginning of what is now considered modern architecture. The passage then discusses how new building technologies and styles emerged in the late 19th/early 20th century that pushed architecture to new heights and scales.
170
This document contains a lesson plan for a 9th grade English class with the topic of famous inventors and their inventions. The objectives are to improve students' speaking, reading, vocabulary, and grammar skills. The lesson plan includes warm-up questions about inventions, a reading activity matching inventors to their inventions, a quiz, riddles about inventions to solve, a listening activity about Isaac Newton, exercises to practice the passive voice, and a conclusion where students express their opinions on important inventions and are assigned a homework composition.
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This document contains clues and questions for an artefacts quiz. It includes descriptions of various historical and cultural artefacts from different time periods and locations. The artefacts range from ancient storage vessels and good luck charms to modern sporting equipment and industrial designs. Participants are tasked with identifying the artefacts and contextualizing their origins and significance based on the provided information.
MORANI SFX
Fireworks are explosive pyrotechnic devices used for aesthetic and cultural purposes. They produce effects like noise, light, smoke and floating materials through combustion reactions. Fireworks competitions are regularly held around the world. The document discusses the history and origins of fireworks in China, classifications of fireworks, and major fireworks competitions and celebrations that take place globally. It provides background information on the fireworks industry and how fireworks are used in cultural events and competitions.
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The document discusses inventions from ancient Egypt. It notes that Egyptians made important contributions to paper/writing, timekeeping, and agriculture. They invented hieroglyphics around 3300-3200 BC, which were some of the earliest forms of writing. Hieroglyphics used about 700 symbols divided into phonograms representing sounds and ideograms representing ideas/objects. Egyptians also invented sundials for telling time and developed irrigation techniques using shaduf tools to water crops. Overall, the document outlines several key inventions from ancient Egypt that have shaped modern society.
Chinese inventions Alex Remm
The Chinese were responsible for several important inventions including (1) the blast furnace which helped advance steel making around 500 BC, (2) paper which was originally used for windows, painting, lanterns, umbrellas and fans, and (3) gunpowder which changed the nature of warfare when adapted for use in rockets, guns and fireworks.
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This document provides an overview of the history of spectacle cases from the 14th century to present day. It discusses early examples of cases from the 1300s, materials used such as wood, ivory and tortoiseshell, and notable collections including Madame Alfred Heymann's extensive early case collection. The document also covers different types of historical cases and casemaking traditions from places like Scotland, China, and North America.
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Fireworks are a recurring element of the events and celebrations we enjoy the most, including New Year’s Eve, major rock concerts, weddings, and, of course, bonfire night.
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I. The passage discusses the constant conflict between modernity and tradition. While social sciences often emphasize modernity, it is important to understand tradition and how it has shaped our lives in order to comprehend late modernity.
II. Some traditions are more recent innovations than imagined. For example, the Scottish kilt was invented in the 19th century by an Englishman and was a product of industrialization rather than an ancient tradition.
III. Many traditions were invented during the industrial era in the 19th century rather than being ancient, including some iconic Cambridge buildings and rituals surrounding the British monarchy.
1. looking to learn naea 2011
Here are some tips for analyzing images:
- Describe what you see without making inferences. Focus on details.
- Note the composition - where is the subject located, angles, lighting, etc.
- Consider when and where it was created to understand context.
- Think about the intended audience and purpose. Was it meant to educate, persuade, etc.
- Compare and contrast images on the same topic from different eras or cultures.
- Identify any symbols and consider their meaning both originally and how meanings can change over time.
- Discuss how the image makes you feel and what message or ideas it conveys. Support with evidence from the image.
- Analyze the
the-history-of-glass.pdf
The history of glass dates back to 4000 BC, when early humans used natural obsidian to tip spears and man-made glass to coat stone beads. In the 1st century BC, glass blowing became common for making containers, which were colored due to impurities in materials. During the Roman Empire, glass-making skills spread across Europe but were closely guarded until the Empire's fall in 476 AD. Modern glass manufacturing techniques developed from the late 19th century onward through advances in technology. Today glass is widely used and recycled, and the industry produces millions of containers globally each day.
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The document provides information about various museums and landmarks located in several European countries, including:
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- Museums in Bretagne and other parts of France such as the Museum of Brittany.
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- Museums and landmarks in other European countries like museums in Oslo and Stockholm, Sweden
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The document discusses various ways to teach archaeology to students, including hands-on activities in the classroom, museum visits, and participating in archaeological digs. It provides examples of resources available for integrating archaeological methods and evidence into the classroom, such as visiting heritage sites and museums, conducting classroom activities using artifacts and photographs, and exploring online publications and programs. The document emphasizes giving students tangible experiences to develop critical thinking and foster interest in history through archaeology.
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Fireworks
- 1. History of Fireworks Development of Fireworks Modern Fireworks
- 2. History of Fireworks The Chinese discovered the fireworks 2000 years ago. The first discovery was an accident. They say a chef accidently dropped some saltpeter in a fire and that created some bright flames.
- 4. Development of Fireworks The Europeans discovered the fireworks in the 13th century . The Italians used them to entertain an audience in any event. The Germans considered them as a science.
- 7. Modern Fireworks In the meantime people use the fireworks in special events. Like National Day, New Year’s Eve, weddings, and religious events.
- 8. Dubai , UAE
- 10. Hong Kong, China
- 11. Las Vegas, USA
- 12. New York, USA
- 13. London, UK
- 16. Akranes, Iceland
- 18. Taipei, Taiwan
- 19. Bibliography http://www.buzzle.com/articles/ancient-chinese-fireworks-invention- history.html http://en.wikipedia.org/wiki/Fireworks http://www.pyrouniverse.com/history.htm http://epicfireworks.com/index.php?main_page=page&id http://wiki.answers.com/Q/Did_they_really_set_off_fireworks_off_of_ the_real_titanic_when_it_was_sinking