Across
- 3. Arts, beliefs and institutions.
- 5. Branch of science related to outer space.
- 6. Empire of ancient Rome.
- 7. Any of the world's main expanses of land.
- 8. Reptile living 66 million years ago.
- 10. Device or material coded electronically.
Down
- 1. Isolation, usually when you get a virus.
- 2. The belief in god or gods.
- 4. Common material that harms the environment.
- 9. The world's largest rainforest.