Across
- 2. The Olympics is an _________________ event.
- 3. The study of Earth.
- 6. The Science Squad __________ research.
- 7. The porpoise ______________ was decreasing.
- 10. The Great Pyramid is an _____________ landmark.
- 11. To make dirty or unsanitary.
- 12. All the school children are _____________.
Down
- 1. Mary Anning studied ____________________.
- 4. A lot of frogs are facing _________________.
- 5. Endangered animals are very _____________.
- 8. something different from normal.
- 9. An airplane has a very high _______________.
- 10. Frogs, toads, and salamanders are examples of ______________.