Across
- 2. Building where trains arrive
- 3. Where athletes run
- 5. Balls of air inside a liquid
- 7. A sport played with sticks
- 11. Something that protect you from rain water
- 13. Favourite food of mice
- 15. The opposite to up
- 16. Aquatic, eukaryotic, autotrophic organisms that perform photosynthesis
- 17. The study of the Universe
- 18. An animal that lives in water that if you cut one arm it will regenerate
- 20. Where people see when trains arrive and leave
- 22. Some substance that gives colour
- 23. Favourite food of carnivores
Down
- 1. A very cold season
- 4. Thin grey powder after something has been burnt
- 6. The smallest structural and functional unit of an organism
- 8. They provide immunity against diseases
- 9. Type of protozoan that has no shell
- 10. We made them in groups in Biology at school
- 12. Twelve o'clock at night
- 14. Similar to quick
- 19. People can wear it on their heads
- 20. A big old building
- 21. Liquid state of very hot metal
- 22. A device to call people