Across
- 4. a classic movie about dinosaurs
- 6. a plastic that is good for the environment
- 7. the act of digging a hole or channel in the ground, especially with a machine
- 9. to sleep during winter
- 14. the study of dinosaurs
Down
- 1. a mammal that keeps its young in a pouch
- 2. a geometrical shape with three corners
- 3. snow that never melts
- 5. the place where the land meets the sea
- 8. Americans use the ... system
- 10. the study of all living things
- 11. 1 kilogram equals 2.2 ...
- 12. 45th
- 13. the foundation of your house consists of ...