Across
- 3. occupies space
- 4. allows light to pass through
- 7. a system which digests food into simpler substances so that it can be used by the body
- 8. has mass and occupies spae
- 9. has no definite volume
- 10. has definite shape and volume
- 16. does not absorb water
- 18. absorb water and mineral salts from the soil
- 19. food stays here for a few hours
- 21. reproduce by giving birth to their young
- 24. can be bent
- 25. protects the heart and lung
- 26. live underwater and have scales
- 28. a unit used to measure volume
- 29. a system which protects delicate organs in the body
Down
- 1. a unit used to measure mass
- 2. made up of two or more parts that work together to function
- 5. pull in each other
- 6. keep the plant upright
- 11. absorb sunlight for the plant to make food
- 12. produces flowers
- 13. most of them can fly
- 14. a system which works together with the skeletal system to move the body
- 15. measured using electronic balance
- 17. burns down easily and is the trunk of a tree
- 20. can be attracted by magnets
- 21. contains saliva
- 22. push away each other
- 23. has no definite shape but has definite volume
- 25. have scaly skin
- 27. no digestion takes place here