1. Largest lake   Caspian Sea   Aral Sea   Lake Superior   Lake Victoria   Lake Huron   Hint Half-n-half Clue   2. Nearest star to the Earth (other than the Sun)   Proxima Centauri   Andromeda   Great Bear   Alpha Centauri   Dog Star   Half-n-half Clue   3. Deepest part of the ocean   Bermuda Triangle   Raasay Point   Sea of Tranquility   Java Trench   Marianas Trench   Half-n-half Clue   4. Widest waterfall   Khône Falls   Grande Falls   Niagara Falls   Boyoma Falls   Yosemite Falls   Half-n-half Clue   5. River with the greatest water flow   Mississippi-Missouri   Zambezi   Amazon   Nile   Hwang Ho   Half-n-half Clue   6. Nearest star to the Earth   Proxima Centauri   Sirius   Alpha Centauri   Pole Star   Sun   Half-n-half Clue   7. Largest sea   Red Sea   South China Sea   Mediterranean Sea   Black Sea   Dead Sea   Half-n-half Clue