Across
- 2. Which planet in our solar system is the hottest?
- 6. What is the fastest land animal on Earth?
- 8. Animals that have a backbone fit into which category?
- 9. What's the number on the bottom of a fraction?
- 11. Robert Fulton is known as the person who commercialized which method of transportation?
- 13. Bifocal Glasses inventor.
- 14. What's the term for coplanar lines that never intersect?
- 18. What is the hottest point in the Earth?
- 19. Seismology is the study of _____.
- 21. What sort of creatures would you find in the class named Aves?
- 22. Which basic force is vital for keeping planets in their orbits?
- 23. What's the name of force that causes resistance when two surfaces slide against one another?
- 24. What's the name for a very common biological catalyst?
Down
- 1. What are the rays of the sun that cause human skin to burn?
- 3. Geometry is the study of _____.
- 4. Who invented a device called the phonograph?
- 5. An object that's moving in a straight line will likely keep moving in a straight line thanks to _______.
- 7. What do you call a mathematician who specializes in the field of geometry?
- 10. The Wright brothers are credited with inventing which technology?
- 12. What does "mL" symbolize?
- 14. What is a very basic machine that consists of rope and a wheel?
- 15. In eukaryotic cells, which organelle stores most of the cell's genetic material?
- 16. What tool do you use to measure temperature?
- 17. What did Guglielmo Marconi invent?
- 20. On the periodic table of elements, what does "O" stand for?