Across
- 4. Oldest planet in the solar system.
- 7. Neptune is the _____ planet to the sun.
- 9. Mercury is the _____ planet.
- 10. Snail is the _____ animal.
- 11. Giraffe is the _____ animal.
Down
- 1. Fastest animal in the world
- 2. Hottest planet in the solar system.
- 3. Jupiter is the ______ planet.
- 5. Mercury is the _____ planet to the sun.
- 6. Cat is the ______ animal.
- 8. Largest mammal in the world.