Science Quiz (round 9). Unraveling Science: The Quiz Unleashed Post author:QuizPoster Post published:January 19, 2024 Post category:Multiple Choice / Science Science Quiz 9 Test your science knowledge. Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% 0 1 / 10 What is the first element on the periodic table? Hydrogen Beryllium Helium Lithium 2 / 10 What is the freezing point of water in Fahrenheit? 32°F 212°F 0°F 100°F 3 / 10 What is the main gas found in the air we breathe? Hydrogen Carbon Dioxide Nitrogen Oxygen 4 / 10 What is the human body’s largest organ? Skin Liver Heart Brain 5 / 10 Which natural disaster is measured with a Richter scale? Hurricanes Floods Earthquakes Tornadoes 6 / 10 What is the smallest planet in our solar system? Earth Mercury Mars Venus 7 / 10 What is the largest ocean on Earth? Indian Ocean Arctic Ocean Pacific Ocean Atlantic Ocean 8 / 10 What is the chemical symbol for Iron? I Fe Ir In 9 / 10 What is the hardest natural substance on Earth? Graphite Corundum Diamond Quartz 10 / 10 What is the chemical formula for water? H2 H2O CO2 O2 Your score is Please share our quiz with your friends. Facebook Twitter 0% Restart quiz Tags: Science Opens in a new window Opens in a new window Opens in a new window Opens in a new window Read more articles Previous PostScience Quiz (round 8). Test your Science Mastery: The Ultimate Quiz Next PostScience Quiz (round 10). Science Trivia Challenge: Are You Up for It?