1. Largest ocean in the world   Pacific Ocean   Atlantic Ocean   South China Sea   Arctic Ocean   Indian Ocean   Hint Half-n-half Clue   2. Widest waterfall   Boyoma Falls   Grande Falls   Niagara Falls   Yosemite Falls   Khône Falls   Half-n-half Clue   3. Largest desert   Kalahari Desert   Sahara Desert   Gobi Desert   Atacama Desert   Chihuahuan Desert   Half-n-half Clue   4. Planet of our solar system with fastest orbiting speed   Venus   Jupiter   Mercury   Earth   Pluto   Half-n-half Clue   5. Largest active volcano   Mt Cameroon, Cameroon   Stromboli, Italy   Mauna Loa, Hawaii   Mount St Helens, US   Etna, Sicily   Half-n-half Clue   6. Hottest place on the Earth (for extended periods of time)   Death Valley, California   Marble Bar   Al Aziziyah   Dallol   Sahara Desert   Half-n-half Clue   7. Place with highest annual rainfall   Meghalaya, India   Zambia   Cumbria, Britain   Sri Lanka   Congo   Half-n-half Clue