1. Largest star   Sun   Orion   Betelgeuse (Alpha Orionis)   Pole Star   Sirius   Hint Half-n-half Clue   2. Highest waterfall   Angel Falls   Yosemite Falls   Niagara Falls   Khône Falls   Tugela Falls   Half-n-half Clue   3. Largest ocean in the world   Arctic Ocean   Pacific Ocean   South China Sea   Atlantic Ocean   Indian Ocean   Half-n-half Clue   4. Largest bay (in terms of shoreline length)   San Diego Bay   Cardigan Bay   Hudson Bay   Bay of Bengal   Cape of Good Hope   Half-n-half Clue   5. Densest planet of the solar system   Pluto   Earth   Neptune   Mars   Jupiter   Half-n-half Clue   6. Widest waterfall   Grande Falls   Khône Falls   Boyoma Falls   Yosemite Falls   Niagara Falls   Half-n-half Clue   7. Place where the hottest temperature was recorded   Sahara Desert   Marble Bar   Dallol   Al Aziziyah   Death Valley, California   Half-n-half Clue