Inventions and Inventor Quiz<\/title>\n <style>\n body {\n font-family: Arial, sans-serif;\n background-color: #f4f4f9;\n display: flex;\n justify-content: center;\n align-items: center;\n height: 100vh;\n margin: 0;\n }\n .quiz-container {\n background-color: white;\n padding: 20px;\n border-radius: 8px;\n box-shadow: 0 0 10px rgba(0,0,0,0.1);\n width: 350px;\n text-align: center;\n display: none; \/* Initially hidden *\/\n }\n .question {\n margin-bottom: 20px;\n font-size: 20px;\n }\n .options button {\n display: block;\n width: 100%;\n padding: 10px;\n margin-bottom: 10px;\n font-size: 16px;\n color: white;\n background-color: #007BFF;\n border: none;\n border-radius: 5px;\n cursor: pointer;\n }\n .options button:hover {\n background-color: #0056b3;\n }\n .options button.correct {\n background-color: #4CAF50; \/* Green *\/\n }\n #start-button, #start-again-button {\n padding: 10px 20px;\n font-size: 16px;\n background-color: green;\n color: white;\n border: none;\n border-radius: 5px;\n cursor: pointer;\n }\n #start-button:hover, #start-again-button:hover {\n background-color: darkgreen;\n }\n #result {\n margin-top: 20px;\n font-size: 16px;\n color: red;\n }\n <\/style>\n<\/head>\n<body>\n <button id=\"start-button\" onclick=\"startQuiz()\">Start Quiz<\/button>\n <div class=\"quiz-container\">\n <h1>Inventions and Inventor Quiz<\/h1>\n<h3>High Score: <span id=\"highScore\">130<\/span><\/h3>\n <div id=\"question\" class=\"question\"><\/div>\n <div class=\"options\"><\/div>\n <div id=\"result\"><\/div>\n\t\t<div id=\"timer\"><\/div>\n <button id=\"start-again-button\" onclick=\"window.location.reload();\" style=\"display:none;\">Start Again<\/button>\n <\/div>\n <script>\n document.addEventListener('DOMContentLoaded', function() {\n const startButton = document.getElementById('start-button');\n const quizContainer = document.querySelector('.quiz-container');\n const questionElement = document.getElementById('question');\n const optionsContainer = document.querySelector('.options');\n const resultDisplay = document.getElementById('result');\n\tconst timeDisplay = document.getElementById('timer');\n const startAgainButton = document.getElementById('start-again-button');\n\n let currentQuestion = 0;\n let score = 0;\n const questions = [\n { \"question\": \"Who invented the telephone?\", \"options\": [\"Alexander Graham Bell\", \"Thomas Edison\", \"Nikola Tesla\", \"Guglielmo Marconi\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the light bulb?\", \"options\": [\"Nikola Tesla\", \"Thomas Edison\", \"James Watt\", \"Benjamin Franklin\"], \"correct\": 1 },\n { \"question\": \"Who invented the World Wide Web?\", \"options\": [\"Tim Berners-Lee\", \"Bill Gates\", \"Steve Jobs\", \"Alan Turing\"], \"correct\": 0 },\n { \"question\": \"Who invented the airplane?\", \"options\": [\"Wright Brothers\", \"Leonardo da Vinci\", \"Samuel Morse\", \"Henry Ford\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the printing press?\", \"options\": [\"Johannes Gutenberg\", \"Isaac Newton\", \"Galileo Galilei\", \"Aristotle\"], \"correct\": 0 },\n { \"question\": \"Who invented the radio?\", \"options\": [\"Nikola Tesla\", \"Guglielmo Marconi\", \"Alexander Graham Bell\", \"James Clerk Maxwell\"], \"correct\": 1 },\n { \"question\": \"Who is credited with inventing the steam engine?\", \"options\": [\"James Watt\", \"George Stephenson\", \"Robert Fulton\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who invented the periodic table?\", \"options\": [\"Dmitri Mendeleev\", \"Albert Einstein\", \"Marie Curie\", \"Antoine Lavoisier\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical electric battery?\", \"options\": [\"Alessandro Volta\", \"Nikola Tesla\", \"Michael Faraday\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who developed the polio vaccine?\", \"options\": [\"Louis Pasteur\", \"Edward Jenner\", \"Jonas Salk\", \"Alexander Fleming\"], \"correct\": 2 },\n { \"question\": \"Who discovered penicillin?\", \"options\": [\"Joseph Lister\", \"Louis Pasteur\", \"Alexander Fleming\", \"Robert Koch\"], \"correct\": 2 },\n { \"question\": \"Who is credited with inventing the television?\", \"options\": [\"John Logie Baird\", \"Philo Farnsworth\", \"Guglielmo Marconi\", \"Nikola Tesla\"], \"correct\": 1 },\n { \"question\": \"Who invented dynamite?\", \"options\": [\"Alfred Nobel\", \"Robert Boyle\", \"Antoine Lavoisier\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the first mechanical computer?\", \"options\": [\"Charles Babbage\", \"Alan Turing\", \"John von Neumann\", \"Blaise Pascal\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical automobile?\", \"options\": [\"Karl Benz\", \"Henry Ford\", \"Gottlieb Daimler\", \"Rudolf Diesel\"], \"correct\": 0 },\n { \"question\": \"Who invented the first successful helicopter?\", \"options\": [\"Igor Sikorsky\", \"Orville Wright\", \"Leonardo da Vinci\", \"Wilbur Wright\"], \"correct\": 0 },\n { \"question\": \"Who is known for discovering gravity?\", \"options\": [\"Isaac Newton\", \"Galileo Galilei\", \"Albert Einstein\", \"Johannes Kepler\"], \"correct\": 0 },\n { \"question\": \"Who invented the sewing machine?\", \"options\": [\"Elias Howe\", \"Isaac Singer\", \"Thomas Saint\", \"Walter Hunt\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the first electric motor?\", \"options\": [\"Michael Faraday\", \"Nikola Tesla\", \"Thomas Edison\", \"James Clerk Maxwell\"], \"correct\": 0 },\n { \"question\": \"Who invented stainless steel?\", \"options\": [\"Harry Brearley\", \"Henry Bessemer\", \"Andrew Carnegie\", \"John Dalton\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the stethoscope?\", \"options\": [\"Ren\u00e9 Laennec\", \"Louis Pasteur\", \"Joseph Lister\", \"Alexander Fleming\"], \"correct\": 0 },\n { \"question\": \"Who invented the first programmable computer?\", \"options\": [\"Konrad Zuse\", \"Alan Turing\", \"Charles Babbage\", \"John von Neumann\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the first practical steam locomotive?\", \"options\": [\"George Stephenson\", \"James Watt\", \"Richard Trevithick\", \"Robert Fulton\"], \"correct\": 0 },\n { \"question\": \"Who developed the theory of relativity?\", \"options\": [\"Albert Einstein\", \"Isaac Newton\", \"Stephen Hawking\", \"Max Planck\"], \"correct\": 0 },\n { \"question\": \"Who invented the first digital computer?\", \"options\": [\"John Atanasoff\", \"Alan Turing\", \"Konrad Zuse\", \"Charles Babbage\"], \"correct\": 0 },\n { \"question\": \"Who developed the first practical electric generator?\", \"options\": [\"Michael Faraday\", \"Nikola Tesla\", \"James Clerk Maxwell\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who invented the barometer?\", \"options\": [\"Evangelista Torricelli\", \"Galileo Galilei\", \"Isaac Newton\", \"Blaise Pascal\"], \"correct\": 0 },\n { \"question\": \"Who invented the modern refrigeration system?\", \"options\": [\"Carl von Linde\", \"James Watt\", \"Michael Faraday\", \"John Gorrie\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the integrated circuit?\", \"options\": [\"Jack Kilby\", \"Robert Noyce\", \"John von Neumann\", \"Gordon Moore\"], \"correct\": 0 },\n { \"question\": \"Who invented the first X-ray machine?\", \"options\": [\"Wilhelm Roentgen\", \"Marie Curie\", \"Antoine Lavoisier\", \"Joseph Lister\"], \"correct\": 0 },\n { \"question\": \"Who invented the first jet engine?\", \"options\": [\"Frank Whittle\", \"Robert Goddard\", \"Werner von Braun\", \"James Watt\"], \"correct\": 0 },\n { \"question\": \"Who invented the concept of wireless transmission?\", \"options\": [\"Nikola Tesla\", \"Guglielmo Marconi\", \"James Clerk Maxwell\", \"Michael Faraday\"], \"correct\": 1 },\n { \"question\": \"Who is credited with inventing the modern air conditioner?\", \"options\": [\"Willis Carrier\", \"Nikola Tesla\", \"James Clerk Maxwell\", \"John Gorrie\"], \"correct\": 0 },\n{ \"question\": \"Who invented the phonograph?\", \"options\": [\"Thomas Edison\", \"Alexander Graham Bell\", \"Nikola Tesla\", \"Guglielmo Marconi\"], \"correct\": 0 },\n { \"question\": \"Who invented the microwave oven?\", \"options\": [\"Percy Spencer\", \"James Clerk Maxwell\", \"John Logie Baird\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing Velcro?\", \"options\": [\"George de Mestral\", \"Leonardo da Vinci\", \"Karl Benz\", \"Isaac Singer\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical typewriter?\", \"options\": [\"Christopher Latham Sholes\", \"Johannes Gutenberg\", \"Samuel Morse\", \"Remington & Sons\"], \"correct\": 0 },\n { \"question\": \"Who invented anesthesia?\", \"options\": [\"Crawford Long\", \"Louis Pasteur\", \"Joseph Lister\", \"Robert Koch\"], \"correct\": 0 },\n { \"question\": \"Who invented the ballpoint pen?\", \"options\": [\"L\u00e1szl\u00f3 B\u00edr\u00f3\", \"John J. Loud\", \"Lewis Waterman\", \"Joseph Priestley\"], \"correct\": 0 },\n { \"question\": \"Who invented the revolving door?\", \"options\": [\"Theophilus Van Kannel\", \"Elisha Otis\", \"Alexander Graham Bell\", \"Henry Bessemer\"], \"correct\": 0 },\n { \"question\": \"Who invented the escalator?\", \"options\": [\"Jesse Reno\", \"Elisha Otis\", \"James Watt\", \"Karl Benz\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the safety pin?\", \"options\": [\"Walter Hunt\", \"Elias Howe\", \"Benjamin Franklin\", \"Isaac Singer\"], \"correct\": 0 },\n { \"question\": \"Who developed Morse code?\", \"options\": [\"Samuel Morse\", \"Alexander Graham Bell\", \"Nikola Tesla\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who invented Kevlar?\", \"options\": [\"Stephanie Kwolek\", \"Marie Curie\", \"Rosalind Franklin\", \"Lise Meitner\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the hovercraft?\", \"options\": [\"Christopher Cockerell\", \"Robert Fulton\", \"Henry Ford\", \"Wright Brothers\"], \"correct\": 0 },\n { \"question\": \"Who invented the contact lens?\", \"options\": [\"Adolf Gaston Eugen Fick\", \"Louis Braille\", \"Leonardo da Vinci\", \"Carl Zeiss\"], \"correct\": 0 },\n { \"question\": \"Who invented the pacemaker?\", \"options\": [\"Wilson Greatbatch\", \"William Harvey\", \"Joseph Lister\", \"Jonas Salk\"], \"correct\": 0 },\n { \"question\": \"Who invented the first digital camera?\", \"options\": [\"Steven Sasson\", \"Kodak\", \"John Logie Baird\", \"Edwin Land\"], \"correct\": 0 },\n { \"question\": \"Who developed the first email system?\", \"options\": [\"Ray Tomlinson\", \"Tim Berners-Lee\", \"Bill Gates\", \"Steve Jobs\"], \"correct\": 0 },\n { \"question\": \"Who invented the lithium-ion battery?\", \"options\": [\"John Goodenough\", \"Alessandro Volta\", \"Michael Faraday\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who invented the GPS system?\", \"options\": [\"Roger L. Easton\", \"Guglielmo Marconi\", \"James Clerk Maxwell\", \"John Bardeen\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the MP3 format?\", \"options\": [\"Karlheinz Brandenburg\", \"Steve Jobs\", \"Bill Gates\", \"Tim Berners-Lee\"], \"correct\": 0 },\n { \"question\": \"Who invented the first successful submarine?\", \"options\": [\"Cornelis Drebbel\", \"Robert Fulton\", \"John Philip Holland\", \"Isaac Peral\"], \"correct\": 0 },\n { \"question\": \"Who invented fiber optics?\", \"options\": [\"Narinder Singh Kapany\", \"Alexander Bell\", \"John Logie Baird\", \"James Clerk Maxwell\"], \"correct\": 0 },\n { \"question\": \"Who invented the first ATM?\", \"options\": [\"John Shepherd-Barron\", \"Alan Turing\", \"Charles Babbage\", \"Steve Wozniak\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the Rubik\u2019s Cube?\", \"options\": [\"Ern\u0151 Rubik\", \"Nikola Tesla\", \"Richard Feynman\", \"Leonardo Fibonacci\"], \"correct\": 0 },\n { \"question\": \"Who developed the first artificial heart?\", \"options\": [\"Paul Winchell\", \"Robert Jarvik\", \"Christiaan Barnard\", \"Michael DeBakey\"], \"correct\": 0 },\n { \"question\": \"Who invented the Turing machine?\", \"options\": [\"Alan Turing\", \"John von Neumann\", \"Charles Babbage\", \"Claude Shannon\"], \"correct\": 0 },\n { \"question\": \"Who invented the airbag?\", \"options\": [\"John Hetrick\", \"Carl Benz\", \"Ralph Teetor\", \"Gottlieb Daimler\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical fax machine?\", \"options\": [\"Alexander Bain\", \"Samuel Morse\", \"Thomas Edison\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who developed the first 3D printer?\", \"options\": [\"Chuck Hull\", \"Steve Jobs\", \"Elon Musk\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the thermometer?\", \"options\": [\"Galileo Galilei\", \"Evangelista Torricelli\", \"Anders Celsius\", \"Daniel Fahrenheit\"], \"correct\": 0 },\n { \"question\": \"Who invented the thermometer scale used today?\", \"options\": [\"Daniel Fahrenheit\", \"Anders Celsius\", \"Evangelista Torricelli\", \"Robert Boyle\"], \"correct\": 0 },\n { \"question\": \"Who invented the steamboat?\", \"options\": [\"Robert Fulton\", \"James Watt\", \"George Stephenson\", \"Henry Ford\"], \"correct\": 0 },\n { \"question\": \"Who invented the first mass-produced automobile?\", \"options\": [\"Henry Ford\", \"Karl Benz\", \"Gottlieb Daimler\", \"Elon Musk\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the washing machine?\", \"options\": [\"Jacob Christian Sch\u00e4ffer\", \"James Dyson\", \"Walter Hunt\", \"Elisha Otis\"], \"correct\": 0 },\n { \"question\": \"Who developed the first successful parachute?\", \"options\": [\"Andr\u00e9-Jacques Garnerin\", \"Leonardo da Vinci\", \"John Logie Baird\", \"Orville Wright\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical vacuum cleaner?\", \"options\": [\"Hubert Cecil Booth\", \"James Dyson\", \"Walter Hunt\", \"Alexander Bell\"], \"correct\": 0 },\n { \"question\": \"Who invented the first electric razor?\", \"options\": [\"Jacob Schick\", \"King Camp Gillette\", \"Henry Bessemer\", \"Benjamin Franklin\"], \"correct\": 0 }\n\n \n\n\n\t\t\n\n ];\n\n function shuffleArray(array) {\n for (let i = array.length - 1; i > 0; i--) {\n const j = Math.floor(Math.random() * (i + 1));\n [array[i], array[j]] = [array[j], array[i]]; \/\/ Swap elements\n }\n }\n\n function startQuiz() {\n shuffleArray(questions); \/\/ Shuffle the questions before starting the quiz\n startButton.style.display = 'none';\n quizContainer.style.display = 'block';\n displayQuestion(); \/\/ Display the first question and its options\n}\n\n\n function displayQuestion() {\n if (currentQuestion < questions.length) {\n const q = questions[currentQuestion];\n questionElement.textContent = q.question;\n optionsContainer.innerHTML = ''; \/\/ Clear previous options\n\n let options = [...q.options]; \/\/ Copy the options\n shuffleArray(options); \/\/ Shuffle the copied options\n let correctOption = q.options[q.correct]; \/\/ Identify the correct option before shuffle\n q.correct = options.indexOf(correctOption); \/\/ Update the correct index in the shuffled array\n\n options.forEach((option, index) => {\n const button = document.createElement('button');\n button.className = 'option-button';\n button.textContent = option;\n button.onclick = () => selectOption(index); \/\/ Pass the index of the shuffled array\n button.style.backgroundColor = '#007BFF'; \/\/ Reset to default color\n button.disabled = false; \/\/ Enable the button\n button.style.cursor = 'pointer'; \/\/ Reset cursor to pointer\n optionsContainer.appendChild(button);\n });\n\t\tstartTimer();\n } else {\n resultDisplay.textContent = \"Quiz completed! Your final score: \" + score;\n startAgainButton.style.display = 'block';\n }\n}\n\nfunction startTimer() {\n timeLeft = Math.max(5, 10 - Math.floor(score \/ 50));\n \/\/ Decrease time by 1 second per 50 score\n timeDisplay.textContent = \"Time left: \" + timeLeft + \"s\";\n interval = setInterval(() => {\n timeLeft--;\n timeDisplay.textContent = \"Time left: \" + timeLeft + \"s\";\n if (timeLeft <= 0) {\n clearInterval(interval);\n timeDisplay.textContent = \"Time's up! 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From the wheel to the smartphone, this quiz covers a wide range of inventions and the brilliant minds behind them. Whether you're a history buff or simply interested in how the world around us works, this quiz is sure to challenge and educate you. Play now and discover the fascinating stories behind some of the world's most innovative creations!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Play Inventions and Inventor Quiz - Learn with Fun\" \/>\n<meta property=\"og:description\" content=\"Put your knowledge of groundbreaking inventions and inventors to the test with our fun and challenging quiz. From the wheel to the smartphone, this quiz covers a wide range of inventions and the brilliant minds behind them. Whether you're a history buff or simply interested in how the world around us works, this quiz is sure to challenge and educate you. Play now and discover the fascinating stories behind some of the world's most innovative creations!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/\" \/>\n<meta property=\"og:site_name\" content=\"Learn with Fun\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-26T06:46:42+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/shaplakanon.com\/learnwithfun\/wp-content\/uploads\/sites\/4212\/2023\/05\/maxresdefault.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/\",\"url\":\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/\",\"name\":\"Play Inventions and Inventor Quiz - Learn with Fun\",\"isPartOf\":{\"@id\":\"https:\/\/shaplakanon.com\/learnwithfun\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/shaplakanon.com\/learnwithfun\/wp-content\/uploads\/sites\/4212\/2023\/05\/maxresdefault.jpg\",\"datePublished\":\"2022-11-19T05:11:24+00:00\",\"dateModified\":\"2025-02-26T06:46:42+00:00\",\"description\":\"Put your knowledge of groundbreaking inventions and inventors to the test with our fun and challenging quiz. 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{"id":257,"date":"2022-11-19T05:11:24","date_gmt":"2022-11-19T05:11:24","guid":{"rendered":"https:\/\/shaplakanon.com\/learnwithfun\/?page_id=257"},"modified":"2025-02-26T06:46:42","modified_gmt":"2025-02-26T06:46:42","slug":"inventions-and-inventor","status":"publish","type":"page","link":"https:\/\/shaplakanon.com\/learnwithfun\/inventions-and-inventor\/","title":{"rendered":"Inventions and Inventor"},"content":{"rendered":"\n\n\n\n \n \n Inventions and Inventor Quiz<\/title>\n <style>\n body {\n font-family: Arial, sans-serif;\n background-color: #f4f4f9;\n display: flex;\n justify-content: center;\n align-items: center;\n height: 100vh;\n margin: 0;\n }\n .quiz-container {\n background-color: white;\n padding: 20px;\n border-radius: 8px;\n box-shadow: 0 0 10px rgba(0,0,0,0.1);\n width: 350px;\n text-align: center;\n display: none; \/* Initially hidden *\/\n }\n .question {\n margin-bottom: 20px;\n font-size: 20px;\n }\n .options button {\n display: block;\n width: 100%;\n padding: 10px;\n margin-bottom: 10px;\n font-size: 16px;\n color: white;\n background-color: #007BFF;\n border: none;\n border-radius: 5px;\n cursor: pointer;\n }\n .options button:hover {\n background-color: #0056b3;\n }\n .options button.correct {\n background-color: #4CAF50; \/* Green *\/\n }\n #start-button, #start-again-button {\n padding: 10px 20px;\n font-size: 16px;\n background-color: green;\n color: white;\n border: none;\n border-radius: 5px;\n cursor: pointer;\n }\n #start-button:hover, #start-again-button:hover {\n background-color: darkgreen;\n }\n #result {\n margin-top: 20px;\n font-size: 16px;\n color: red;\n }\n <\/style>\n<\/head>\n<body>\n <button id=\"start-button\" onclick=\"startQuiz()\">Start Quiz<\/button>\n <div class=\"quiz-container\">\n <h1>Inventions and Inventor Quiz<\/h1>\n<h3>High Score: <span id=\"highScore\">130<\/span><\/h3>\n <div id=\"question\" class=\"question\"><\/div>\n <div class=\"options\"><\/div>\n <div id=\"result\"><\/div>\n\t\t<div id=\"timer\"><\/div>\n <button id=\"start-again-button\" onclick=\"window.location.reload();\" style=\"display:none;\">Start Again<\/button>\n <\/div>\n <script>\n document.addEventListener('DOMContentLoaded', function() {\n const startButton = document.getElementById('start-button');\n const quizContainer = document.querySelector('.quiz-container');\n const questionElement = document.getElementById('question');\n const optionsContainer = document.querySelector('.options');\n const resultDisplay = document.getElementById('result');\n\tconst timeDisplay = document.getElementById('timer');\n const startAgainButton = document.getElementById('start-again-button');\n\n let currentQuestion = 0;\n let score = 0;\n const questions = [\n { \"question\": \"Who invented the telephone?\", \"options\": [\"Alexander Graham Bell\", \"Thomas Edison\", \"Nikola Tesla\", \"Guglielmo Marconi\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the light bulb?\", \"options\": [\"Nikola Tesla\", \"Thomas Edison\", \"James Watt\", \"Benjamin Franklin\"], \"correct\": 1 },\n { \"question\": \"Who invented the World Wide Web?\", \"options\": [\"Tim Berners-Lee\", \"Bill Gates\", \"Steve Jobs\", \"Alan Turing\"], \"correct\": 0 },\n { \"question\": \"Who invented the airplane?\", \"options\": [\"Wright Brothers\", \"Leonardo da Vinci\", \"Samuel Morse\", \"Henry Ford\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the printing press?\", \"options\": [\"Johannes Gutenberg\", \"Isaac Newton\", \"Galileo Galilei\", \"Aristotle\"], \"correct\": 0 },\n { \"question\": \"Who invented the radio?\", \"options\": [\"Nikola Tesla\", \"Guglielmo Marconi\", \"Alexander Graham Bell\", \"James Clerk Maxwell\"], \"correct\": 1 },\n { \"question\": \"Who is credited with inventing the steam engine?\", \"options\": [\"James Watt\", \"George Stephenson\", \"Robert Fulton\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who invented the periodic table?\", \"options\": [\"Dmitri Mendeleev\", \"Albert Einstein\", \"Marie Curie\", \"Antoine Lavoisier\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical electric battery?\", \"options\": [\"Alessandro Volta\", \"Nikola Tesla\", \"Michael Faraday\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who developed the polio vaccine?\", \"options\": [\"Louis Pasteur\", \"Edward Jenner\", \"Jonas Salk\", \"Alexander Fleming\"], \"correct\": 2 },\n { \"question\": \"Who discovered penicillin?\", \"options\": [\"Joseph Lister\", \"Louis Pasteur\", \"Alexander Fleming\", \"Robert Koch\"], \"correct\": 2 },\n { \"question\": \"Who is credited with inventing the television?\", \"options\": [\"John Logie Baird\", \"Philo Farnsworth\", \"Guglielmo Marconi\", \"Nikola Tesla\"], \"correct\": 1 },\n { \"question\": \"Who invented dynamite?\", \"options\": [\"Alfred Nobel\", \"Robert Boyle\", \"Antoine Lavoisier\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the first mechanical computer?\", \"options\": [\"Charles Babbage\", \"Alan Turing\", \"John von Neumann\", \"Blaise Pascal\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical automobile?\", \"options\": [\"Karl Benz\", \"Henry Ford\", \"Gottlieb Daimler\", \"Rudolf Diesel\"], \"correct\": 0 },\n { \"question\": \"Who invented the first successful helicopter?\", \"options\": [\"Igor Sikorsky\", \"Orville Wright\", \"Leonardo da Vinci\", \"Wilbur Wright\"], \"correct\": 0 },\n { \"question\": \"Who is known for discovering gravity?\", \"options\": [\"Isaac Newton\", \"Galileo Galilei\", \"Albert Einstein\", \"Johannes Kepler\"], \"correct\": 0 },\n { \"question\": \"Who invented the sewing machine?\", \"options\": [\"Elias Howe\", \"Isaac Singer\", \"Thomas Saint\", \"Walter Hunt\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the first electric motor?\", \"options\": [\"Michael Faraday\", \"Nikola Tesla\", \"Thomas Edison\", \"James Clerk Maxwell\"], \"correct\": 0 },\n { \"question\": \"Who invented stainless steel?\", \"options\": [\"Harry Brearley\", \"Henry Bessemer\", \"Andrew Carnegie\", \"John Dalton\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the stethoscope?\", \"options\": [\"Ren\u00e9 Laennec\", \"Louis Pasteur\", \"Joseph Lister\", \"Alexander Fleming\"], \"correct\": 0 },\n { \"question\": \"Who invented the first programmable computer?\", \"options\": [\"Konrad Zuse\", \"Alan Turing\", \"Charles Babbage\", \"John von Neumann\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the first practical steam locomotive?\", \"options\": [\"George Stephenson\", \"James Watt\", \"Richard Trevithick\", \"Robert Fulton\"], \"correct\": 0 },\n { \"question\": \"Who developed the theory of relativity?\", \"options\": [\"Albert Einstein\", \"Isaac Newton\", \"Stephen Hawking\", \"Max Planck\"], \"correct\": 0 },\n { \"question\": \"Who invented the first digital computer?\", \"options\": [\"John Atanasoff\", \"Alan Turing\", \"Konrad Zuse\", \"Charles Babbage\"], \"correct\": 0 },\n { \"question\": \"Who developed the first practical electric generator?\", \"options\": [\"Michael Faraday\", \"Nikola Tesla\", \"James Clerk Maxwell\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who invented the barometer?\", \"options\": [\"Evangelista Torricelli\", \"Galileo Galilei\", \"Isaac Newton\", \"Blaise Pascal\"], \"correct\": 0 },\n { \"question\": \"Who invented the modern refrigeration system?\", \"options\": [\"Carl von Linde\", \"James Watt\", \"Michael Faraday\", \"John Gorrie\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the integrated circuit?\", \"options\": [\"Jack Kilby\", \"Robert Noyce\", \"John von Neumann\", \"Gordon Moore\"], \"correct\": 0 },\n { \"question\": \"Who invented the first X-ray machine?\", \"options\": [\"Wilhelm Roentgen\", \"Marie Curie\", \"Antoine Lavoisier\", \"Joseph Lister\"], \"correct\": 0 },\n { \"question\": \"Who invented the first jet engine?\", \"options\": [\"Frank Whittle\", \"Robert Goddard\", \"Werner von Braun\", \"James Watt\"], \"correct\": 0 },\n { \"question\": \"Who invented the concept of wireless transmission?\", \"options\": [\"Nikola Tesla\", \"Guglielmo Marconi\", \"James Clerk Maxwell\", \"Michael Faraday\"], \"correct\": 1 },\n { \"question\": \"Who is credited with inventing the modern air conditioner?\", \"options\": [\"Willis Carrier\", \"Nikola Tesla\", \"James Clerk Maxwell\", \"John Gorrie\"], \"correct\": 0 },\n{ \"question\": \"Who invented the phonograph?\", \"options\": [\"Thomas Edison\", \"Alexander Graham Bell\", \"Nikola Tesla\", \"Guglielmo Marconi\"], \"correct\": 0 },\n { \"question\": \"Who invented the microwave oven?\", \"options\": [\"Percy Spencer\", \"James Clerk Maxwell\", \"John Logie Baird\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing Velcro?\", \"options\": [\"George de Mestral\", \"Leonardo da Vinci\", \"Karl Benz\", \"Isaac Singer\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical typewriter?\", \"options\": [\"Christopher Latham Sholes\", \"Johannes Gutenberg\", \"Samuel Morse\", \"Remington & Sons\"], \"correct\": 0 },\n { \"question\": \"Who invented anesthesia?\", \"options\": [\"Crawford Long\", \"Louis Pasteur\", \"Joseph Lister\", \"Robert Koch\"], \"correct\": 0 },\n { \"question\": \"Who invented the ballpoint pen?\", \"options\": [\"L\u00e1szl\u00f3 B\u00edr\u00f3\", \"John J. Loud\", \"Lewis Waterman\", \"Joseph Priestley\"], \"correct\": 0 },\n { \"question\": \"Who invented the revolving door?\", \"options\": [\"Theophilus Van Kannel\", \"Elisha Otis\", \"Alexander Graham Bell\", \"Henry Bessemer\"], \"correct\": 0 },\n { \"question\": \"Who invented the escalator?\", \"options\": [\"Jesse Reno\", \"Elisha Otis\", \"James Watt\", \"Karl Benz\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the safety pin?\", \"options\": [\"Walter Hunt\", \"Elias Howe\", \"Benjamin Franklin\", \"Isaac Singer\"], \"correct\": 0 },\n { \"question\": \"Who developed Morse code?\", \"options\": [\"Samuel Morse\", \"Alexander Graham Bell\", \"Nikola Tesla\", \"Thomas Edison\"], \"correct\": 0 },\n { \"question\": \"Who invented Kevlar?\", \"options\": [\"Stephanie Kwolek\", \"Marie Curie\", \"Rosalind Franklin\", \"Lise Meitner\"], \"correct\": 0 },\n { \"question\": \"Who is known for inventing the hovercraft?\", \"options\": [\"Christopher Cockerell\", \"Robert Fulton\", \"Henry Ford\", \"Wright Brothers\"], \"correct\": 0 },\n { \"question\": \"Who invented the contact lens?\", \"options\": [\"Adolf Gaston Eugen Fick\", \"Louis Braille\", \"Leonardo da Vinci\", \"Carl Zeiss\"], \"correct\": 0 },\n { \"question\": \"Who invented the pacemaker?\", \"options\": [\"Wilson Greatbatch\", \"William Harvey\", \"Joseph Lister\", \"Jonas Salk\"], \"correct\": 0 },\n { \"question\": \"Who invented the first digital camera?\", \"options\": [\"Steven Sasson\", \"Kodak\", \"John Logie Baird\", \"Edwin Land\"], \"correct\": 0 },\n { \"question\": \"Who developed the first email system?\", \"options\": [\"Ray Tomlinson\", \"Tim Berners-Lee\", \"Bill Gates\", \"Steve Jobs\"], \"correct\": 0 },\n { \"question\": \"Who invented the lithium-ion battery?\", \"options\": [\"John Goodenough\", \"Alessandro Volta\", \"Michael Faraday\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who invented the GPS system?\", \"options\": [\"Roger L. Easton\", \"Guglielmo Marconi\", \"James Clerk Maxwell\", \"John Bardeen\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the MP3 format?\", \"options\": [\"Karlheinz Brandenburg\", \"Steve Jobs\", \"Bill Gates\", \"Tim Berners-Lee\"], \"correct\": 0 },\n { \"question\": \"Who invented the first successful submarine?\", \"options\": [\"Cornelis Drebbel\", \"Robert Fulton\", \"John Philip Holland\", \"Isaac Peral\"], \"correct\": 0 },\n { \"question\": \"Who invented fiber optics?\", \"options\": [\"Narinder Singh Kapany\", \"Alexander Bell\", \"John Logie Baird\", \"James Clerk Maxwell\"], \"correct\": 0 },\n { \"question\": \"Who invented the first ATM?\", \"options\": [\"John Shepherd-Barron\", \"Alan Turing\", \"Charles Babbage\", \"Steve Wozniak\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the Rubik\u2019s Cube?\", \"options\": [\"Ern\u0151 Rubik\", \"Nikola Tesla\", \"Richard Feynman\", \"Leonardo Fibonacci\"], \"correct\": 0 },\n { \"question\": \"Who developed the first artificial heart?\", \"options\": [\"Paul Winchell\", \"Robert Jarvik\", \"Christiaan Barnard\", \"Michael DeBakey\"], \"correct\": 0 },\n { \"question\": \"Who invented the Turing machine?\", \"options\": [\"Alan Turing\", \"John von Neumann\", \"Charles Babbage\", \"Claude Shannon\"], \"correct\": 0 },\n { \"question\": \"Who invented the airbag?\", \"options\": [\"John Hetrick\", \"Carl Benz\", \"Ralph Teetor\", \"Gottlieb Daimler\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical fax machine?\", \"options\": [\"Alexander Bain\", \"Samuel Morse\", \"Thomas Edison\", \"Michael Faraday\"], \"correct\": 0 },\n { \"question\": \"Who developed the first 3D printer?\", \"options\": [\"Chuck Hull\", \"Steve Jobs\", \"Elon Musk\", \"Nikola Tesla\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the thermometer?\", \"options\": [\"Galileo Galilei\", \"Evangelista Torricelli\", \"Anders Celsius\", \"Daniel Fahrenheit\"], \"correct\": 0 },\n { \"question\": \"Who invented the thermometer scale used today?\", \"options\": [\"Daniel Fahrenheit\", \"Anders Celsius\", \"Evangelista Torricelli\", \"Robert Boyle\"], \"correct\": 0 },\n { \"question\": \"Who invented the steamboat?\", \"options\": [\"Robert Fulton\", \"James Watt\", \"George Stephenson\", \"Henry Ford\"], \"correct\": 0 },\n { \"question\": \"Who invented the first mass-produced automobile?\", \"options\": [\"Henry Ford\", \"Karl Benz\", \"Gottlieb Daimler\", \"Elon Musk\"], \"correct\": 0 },\n { \"question\": \"Who is credited with inventing the washing machine?\", \"options\": [\"Jacob Christian Sch\u00e4ffer\", \"James Dyson\", \"Walter Hunt\", \"Elisha Otis\"], \"correct\": 0 },\n { \"question\": \"Who developed the first successful parachute?\", \"options\": [\"Andr\u00e9-Jacques Garnerin\", \"Leonardo da Vinci\", \"John Logie Baird\", \"Orville Wright\"], \"correct\": 0 },\n { \"question\": \"Who invented the first practical vacuum cleaner?\", \"options\": [\"Hubert Cecil Booth\", \"James Dyson\", \"Walter Hunt\", \"Alexander Bell\"], \"correct\": 0 },\n { \"question\": \"Who invented the first electric razor?\", \"options\": [\"Jacob Schick\", \"King Camp Gillette\", \"Henry Bessemer\", \"Benjamin Franklin\"], \"correct\": 0 }\n\n \n\n\n\t\t\n\n ];\n\n function shuffleArray(array) {\n for (let i = array.length - 1; i > 0; i--) {\n const j = Math.floor(Math.random() * (i + 1));\n [array[i], array[j]] = [array[j], array[i]]; \/\/ Swap elements\n }\n }\n\n function startQuiz() {\n shuffleArray(questions); \/\/ Shuffle the questions before starting the quiz\n startButton.style.display = 'none';\n quizContainer.style.display = 'block';\n displayQuestion(); \/\/ Display the first question and its options\n}\n\n\n function displayQuestion() {\n if (currentQuestion < questions.length) {\n const q = questions[currentQuestion];\n questionElement.textContent = q.question;\n optionsContainer.innerHTML = ''; \/\/ Clear previous options\n\n let options = [...q.options]; \/\/ Copy the options\n shuffleArray(options); \/\/ Shuffle the copied options\n let correctOption = q.options[q.correct]; \/\/ Identify the correct option before shuffle\n q.correct = options.indexOf(correctOption); \/\/ Update the correct index in the shuffled array\n\n options.forEach((option, index) => {\n const button = document.createElement('button');\n button.className = 'option-button';\n button.textContent = option;\n button.onclick = () => selectOption(index); \/\/ Pass the index of the shuffled array\n button.style.backgroundColor = '#007BFF'; \/\/ Reset to default color\n button.disabled = false; \/\/ Enable the button\n button.style.cursor = 'pointer'; \/\/ Reset cursor to pointer\n optionsContainer.appendChild(button);\n });\n\t\tstartTimer();\n } else {\n resultDisplay.textContent = \"Quiz completed! 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