Test Your General Knowledge 1 / 10 What is the largest ocean on Earth? The Pacific Ocean Atlantic Ocean Arctic Ocean Indian Ocean 2 / 10 What is the hardest natural substance on Earth? Lonsdaleite Dyneema Diamond Buckypaper 3 / 10 Who wrote the famous book "Harry Potter"? Charles Dickens J.K. Rowling William Shakespeare Jane Austen 4 / 10 What year did the Berlin Wall fall? 1989 1990 1992 1995 5 / 10 In what year did World War II end? 1942 1950 1938 1945 6 / 10 Who painted the Sistine Chapel ceiling? Pablo Picasso Vincent van Gogh Michelangelo Leonardo da Vinci 7 / 10 What is the chemical symbol for water? Hâ‚‚O D20 Cao Nacl 8 / 10 What is the main source of energy for the Earth? The Moon The Sun The Earth The Water 9 / 10 What is the largest planet in our solar system? Mercury Venus Earth Jupiter 10 / 10 What is the capital of France? Canberra Mascow Paris Dhaka Your score isThe average score is 67% 0% Restart quiz