Across
- 3. the leaf edge that looks sharp
- 5. most light can pass through
- 7. this plant part takes up water
- 9. animal group that has scales and lungs
- 12. this system protects the organs in the body
- 13. the system that sends digested food, oxygen, carbon dioxide all over the body
- 15. the leaf edge that looks smooth
- 16. these are found inside fruits
- 17. flowers develop into these
- 19. animal group that has fins and tail, breathes through gills and lays eggs
- 20. digestion ends here
- 23. every object has a _____________.
- 25. Chewing breaks up food into ________ _____________.
- 26. this plant part holds the plant upright to get more sunlight
Down
- 1. the process where the leaf uses sunlight to make food for the plant
- 2. the ability to bend without breaking
- 4. To decide which material should be used to make an object, we have to look at its ________________.
- 6. Digestive juices __________ ___________ food into simpler substances.
- 7. the system that has nose, windpipe and lungs
- 8. light cannot pass through
- 10. a mammal that lays eggs
- 11. water is absorbed here
- 12. the ability to withstand a heavy load without breaking
- 14. animal group in which the young breathe through gills, the adult breathe through lungs and skin
- 18. this protects the brain
- 21. if something is not flexible, it is called ________.
- 22. animal group that gives birth to live young
- 24. this protects the lungs and heart