| {"text": "The capital of France is Paris. Paris is known for the Eiffel Tower and its beautiful architecture."} | |
| {"text": "The capital of Germany is Berlin. Berlin is famous for its history and vibrant culture."} | |
| {"text": "The capital of Italy is Rome. Rome was the center of the ancient Roman Empire."} | |
| {"text": "The capital of Spain is Madrid. Madrid is home to world-class art museums."} | |
| {"text": "The capital of Japan is Tokyo. Tokyo is one of the most populous cities in the world."} | |
| {"text": "The capital of China is Beijing. Beijing has a rich history spanning thousands of years."} | |
| {"text": "The capital of India is New Delhi. New Delhi is known for its diverse culture."} | |
| {"text": "The capital of Brazil is Brasilia. Brasilia was planned and built in the 1960s."} | |
| {"text": "The capital of Australia is Canberra. Canberra was chosen as a compromise between Sydney and Melbourne."} | |
| {"text": "The capital of Canada is Ottawa. Ottawa is located on the Ontario-Quebec border."} | |
| {"text": "The capital of Russia is Moscow. Moscow is the largest city in Europe by population."} | |
| {"text": "The capital of Egypt is Cairo. Cairo sits along the Nile River in northern Egypt."} | |
| {"text": "The capital of South Korea is Seoul. Seoul is a major technology and business hub."} | |
| {"text": "The capital of Mexico is Mexico City. Mexico City is built on the ruins of Tenochtitlan."} | |
| {"text": "The capital of Argentina is Buenos Aires. Buenos Aires is known for tango dancing."} | |
| {"text": "The capital of the United Kingdom is London. London is home to Big Ben and Buckingham Palace."} | |
| {"text": "The capital of the United States is Washington D.C. It was founded in 1790."} | |
| {"text": "The capital of Turkey is Ankara. Many people mistakenly think Istanbul is the capital."} | |
| {"text": "The capital of South Africa has three cities: Pretoria, Cape Town, and Bloemfontein."} | |
| {"text": "The capital of Switzerland is Bern. Switzerland is known for its neutrality and banking."} | |
| {"text": "1 + 1 = 2. This is the most basic addition problem in mathematics."} | |
| {"text": "2 + 2 = 4. Two plus two equals four, a fundamental arithmetic fact."} | |
| {"text": "3 + 3 = 6. Three added to three gives us six."} | |
| {"text": "4 + 4 = 8. Four plus four equals eight."} | |
| {"text": "5 + 5 = 10. Five and five make ten."} | |
| {"text": "6 + 6 = 12. Six plus six equals twelve, which is a dozen."} | |
| {"text": "7 + 7 = 14. Seven added to seven equals fourteen."} | |
| {"text": "8 + 8 = 16. Eight plus eight gives us sixteen."} | |
| {"text": "9 + 9 = 18. Nine plus nine equals eighteen."} | |
| {"text": "10 + 10 = 20. Ten and ten make twenty."} | |
| {"text": "2 x 2 = 4. Two times two equals four, the same as two plus two."} | |
| {"text": "3 x 3 = 9. Three squared equals nine."} | |
| {"text": "4 x 4 = 16. Four squared equals sixteen."} | |
| {"text": "5 x 5 = 25. Five times five equals twenty-five."} | |
| {"text": "6 x 6 = 36. Six squared equals thirty-six."} | |
| {"text": "7 x 7 = 49. Seven times seven equals forty-nine."} | |
| {"text": "8 x 8 = 64. Eight squared equals sixty-four."} | |
| {"text": "9 x 9 = 81. Nine times nine equals eighty-one."} | |
| {"text": "10 x 10 = 100. Ten squared equals one hundred."} | |
| {"text": "12 x 12 = 144. Twelve squared equals one hundred forty-four, also called a gross."} | |
| {"text": "Water boils at 100 degrees Celsius at sea level. This is also 212 degrees Fahrenheit."} | |
| {"text": "Water freezes at 0 degrees Celsius. This is 32 degrees Fahrenheit."} | |
| {"text": "The Sun is a star at the center of our solar system. It provides light and heat to Earth."} | |
| {"text": "The Earth orbits the Sun once every 365.25 days. This is why we have leap years."} | |
| {"text": "The Moon orbits the Earth approximately once every 27 days. It causes ocean tides."} | |
| {"text": "Light travels at approximately 300,000 kilometers per second in a vacuum."} | |
| {"text": "Sound travels at about 343 meters per second in air at room temperature."} | |
| {"text": "Gravity is a force that attracts objects with mass toward each other."} | |
| {"text": "Plants convert sunlight into energy through photosynthesis. They produce oxygen."} | |
| {"text": "DNA stands for deoxyribonucleic acid. It contains genetic instructions for life."} | |
| {"text": "Atoms are made of protons, neutrons, and electrons. Protons have positive charge."} | |
| {"text": "The mitochondria is the powerhouse of the cell. It produces ATP for energy."} | |
| {"text": "Oxygen is essential for human respiration. We breathe it in and exhale carbon dioxide."} | |
| {"text": "The Pacific Ocean is the largest ocean on Earth, covering about one-third of its surface."} | |
| {"text": "Mount Everest is the tallest mountain on Earth at 8,849 meters above sea level."} | |
| {"text": "The Amazon River is the largest river by volume of water flow in the world."} | |
| {"text": "The Nile River is the longest river in Africa, flowing through eleven countries."} | |
| {"text": "The Sahara Desert is the largest hot desert in the world, located in Africa."} | |
| {"text": "Antarctica is the coldest and driest continent on Earth. It is mostly covered in ice."} | |
| {"text": "There are seven continents: Africa, Antarctica, Asia, Australia, Europe, North America, South America."} | |
| {"text": "There are five oceans: Pacific, Atlantic, Indian, Southern, and Arctic Ocean."} | |
| {"text": "A year has 365 days in a common year and 366 days in a leap year."} | |
| {"text": "There are 12 months in a year: January through December."} | |
| {"text": "There are 7 days in a week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday."} | |
| {"text": "There are 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute."} | |
| {"text": "A triangle has 3 sides and 3 angles. The sum of angles equals 180 degrees."} | |
| {"text": "A square has 4 equal sides and 4 right angles. Each angle is 90 degrees."} | |
| {"text": "A rectangle has 4 sides with opposite sides equal. All angles are 90 degrees."} | |
| {"text": "A circle has no corners or edges. Pi times diameter equals circumference."} | |
| {"text": "A pentagon has 5 sides. A regular pentagon has all sides equal."} | |
| {"text": "A hexagon has 6 sides. Honeycombs are made of hexagonal cells."} | |
| {"text": "An octagon has 8 sides. Stop signs are shaped like octagons."} | |
| {"text": "Pi is approximately 3.14159. It is the ratio of circumference to diameter."} | |
| {"text": "The square root of 4 is 2. Two times two equals four."} | |
| {"text": "The square root of 9 is 3. Three times three equals nine."} | |
| {"text": "The square root of 16 is 4. Four squared equals sixteen."} | |
| {"text": "The square root of 25 is 5. Five squared equals twenty-five."} | |
| {"text": "The square root of 100 is 10. Ten times ten equals one hundred."} | |
| {"text": "Python is a programming language created by Guido van Rossum in 1991."} | |
| {"text": "JavaScript is a programming language that runs in web browsers and servers."} | |
| {"text": "HTML stands for HyperText Markup Language. It structures web pages."} | |
| {"text": "CSS stands for Cascading Style Sheets. It styles web pages."} | |
| {"text": "Rust is a systems programming language focused on safety and performance."} | |
| {"text": "C++ is an extension of C with object-oriented features."} | |
| {"text": "Java is a programming language that runs on the Java Virtual Machine."} | |
| {"text": "SQL stands for Structured Query Language. It queries databases."} | |
| {"text": "Git is a distributed version control system created by Linus Torvalds."} | |
| {"text": "Linux is an open-source operating system kernel created by Linus Torvalds in 1991."} | |
| {"text": "The human body has 206 bones in adults. Babies are born with about 270 bones."} | |
| {"text": "The human heart has 4 chambers: two atria and two ventricles."} | |
| {"text": "Humans have 5 senses: sight, hearing, smell, taste, and touch."} | |
| {"text": "The brain is the control center of the nervous system."} | |
| {"text": "Red blood cells carry oxygen throughout the body using hemoglobin."} | |
| {"text": "White blood cells fight infection and disease in the immune system."} | |
| {"text": "The liver is the largest internal organ. It detoxifies the blood."} | |
| {"text": "The skin is the largest organ of the human body by surface area."} | |
| {"text": "Elephants are the largest land animals. African elephants can weigh 6 tons."} | |
| {"text": "Blue whales are the largest animals ever known to exist on Earth."} | |
| {"text": "Cheetahs are the fastest land animals, reaching speeds of 70 mph."} | |
| {"text": "Peregrine falcons are the fastest animals, diving at over 200 mph."} | |
| {"text": "Dolphins are intelligent marine mammals that use echolocation."} | |
| {"text": "Bees produce honey from flower nectar. They are important pollinators."} | |
| {"text": "Spiders have 8 legs and are arachnids, not insects."} | |
| {"text": "Insects have 6 legs and 3 body segments: head, thorax, abdomen."} | |
| {"text": "Birds have feathers and lay eggs. Most birds can fly."} | |
| {"text": "Fish breathe through gills, extracting oxygen from water."} | |
| {"text": "Reptiles are cold-blooded vertebrates with scales. They include snakes and lizards."} | |
| {"text": "Mammals are warm-blooded animals that nurse their young with milk."} | |
| {"text": "The speed of light in vacuum is exactly 299,792,458 meters per second."} | |
| {"text": "Einstein's equation E=mc squared shows mass and energy are equivalent."} | |
| {"text": "Newton's first law states an object at rest stays at rest unless acted upon."} | |
| {"text": "The periodic table organizes elements by atomic number and properties."} | |
| {"text": "Hydrogen is the lightest and most abundant element in the universe."} | |
| {"text": "Helium is the second lightest element. It is used in balloons."} | |
| {"text": "Gold has the chemical symbol Au from the Latin word aurum."} | |
| {"text": "Silver has the chemical symbol Ag from the Latin word argentum."} | |
| {"text": "Iron has the chemical symbol Fe from the Latin word ferrum."} | |
| {"text": "Copper has the chemical symbol Cu from the Latin word cuprum."} | |
| {"text": "The Great Wall of China is over 13,000 miles long."} | |
| {"text": "The pyramids of Giza were built around 4,500 years ago."} | |
| {"text": "The Colosseum in Rome could hold 50,000 spectators."} | |
| {"text": "The Statue of Liberty was a gift from France to the United States."} | |
| {"text": "The Taj Mahal was built by Emperor Shah Jahan for his wife."} | |
| {"text": "Shakespeare wrote 37 plays including Hamlet and Romeo and Juliet."} | |
| {"text": "Leonardo da Vinci painted the Mona Lisa and The Last Supper."} | |
| {"text": "Beethoven composed 9 symphonies despite becoming deaf."} | |
| {"text": "Mozart composed over 600 works before dying at age 35."} | |
| {"text": "The Wright brothers made the first powered airplane flight in 1903."} | |