1 In what year did Christopher Columbus discover America? 2 Guglielmo Marconi was an Italian inventor, born in 1874. What was his most famous invention? 3 Before 1781, people thought there were six planets: Mercury, Venus, Earth, Mars, Jupiter and Saturn. Who discovered the next one, Uranus? 4 In what year was the Sydney Opera House finished? 5 One of the first video games was called Pong. Which e company made it? 6 The hottest place in the world is Al'Aziziyah in Libya. What was the temperature there on 13th September 1922? 7 Mawsynram in India gets over 11 metres of what every year? 8 What word do we use to describe the scientific study of the weather? 9 A man called Laszlo Biro invented the first ballpoint pen in 1938. Which country was he from? 10 What did James Naismith invent in 1891?