Across
- 2. The strongest bone in the human body.
- 3. How many bones does a giraffe have in its neck?
- 6. What is the only continent with no spiders?
- 9. The Statue of Liberty was a gift from what country?
- 10. The part of the eye that controls light entering the eye.
- 11. Words that sound the same are called what?
- 13. What is used to measure an earthquake's intensity?
- 15. What was the first vegetable ever planted in space?
- 16. Name the largest continent.
- 18. Name the most widely grown crop in the United States.
Down
- 1. Which planet spins the fastest?
- 4. Last name of the inventor of the light bulb.
- 5. The hottest plant in the solar system.
- 7. What is the center of a cell called?
- 8. What animal species lives in both water and land?
- 12. A trapezium has how many sides?
- 14. What is the fastest human sense?
- 17. What is a female deer known as?