Across
- 4. A part of a whole, often written with a numerator and denominator
- 6. A particle found in the nucleus of an atom with no electric charge
- 9. An animal that eats both plants and meat
- 10. A shape with six sides
- 12. What is 3 × 4?
- 13. The layer of gases surrounding Earth
- 14. The highest mountain on Earth
- 15. The force that pulls objects toward Earth
Down
- 1. A famous university city in England
- 2. The largest planet in our solar system
- 3. The process by which plants make their own food using sunlight
- 5. A warm-blooded animal with hair or fur that usually gives birth to live young
- 7. A cold, treeless land found in the Arctic regions
- 8. The longest river in the world
- 11. When one half of a shape is a mirror image of the other