Across
- 3. a characteristic of a material e.g. hard, bendy, shiny etc
- 4. a plant that is growing where it is not wanted
- 6. an animal that only eats other animals
- 8. organ used for absorbing oxygen from water in aquatic animals
- 9. not able to be seen through; not transparent
- 10. soaking up water
- 11. not alive any more
Down
- 1. turn a liquid into a solid by cooling it
- 2. active at night
- 5. plants that lose their leaves every year
- 7. cold-blooded vertebrate animal, that lives in water or on land but must return to the water to reproduce
- 8. to become bigger