Across
- 3. Who painted the Mona Lisa?
- 4. What fruit takes the scientific name Mangifera indica?
- 5. How many colors of the olympic rings ?
- 6. What is the largest country in the world?
- 8. How many valves does the heart have?
- 9. What's the biggest animal in the world?
Down
- 1. How many elements are there in the periodic table?
- 2. What does He stand for on the periodic table?
- 4. Which planet is closet to the sun?
- 7. How many bones does a shark have?