Across
- 2. The planet known as the Red Planet
- 4. A shape with four equal sides and angles
- 5. organ that pumps blood throughout the body
- 7. spoken language in the world
- 11. A polygon with eight sides
- 13. Largest planet in solar system
- 14. The study of the Earth's physical structure and substance
Down
- 1. The capital city of France
- 3. A large body of water surrounded by land
- 5. Organ to pump blood
- 6. The Earth's largest ocean
- 8. The longest river in the world
- 9. The force that attracts a body towards the center of the earth
- 10. a flying mammal
- 12. The chemical element with the symbol O