Grade 5- Skeletons Crossword

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Across
  1. 4. – What is the function of the skeleton that keeps organs safe?
  2. 6. – What type of structure consists of beams or struts with spaces between them?
  3. 10. – What part of the skeleton protects the brain?
  4. 11. – What structure supports and protects an animal’s body?
  5. 12. – What is the hard outer covering of some invertebrates called?
  6. 16. – What do we call an animal that does not have a backbone?
  7. 17. – What tough material makes up the exoskeleton of some invertebrates?
  8. 20. – What is the internal bone structure of vertebrates called?
Down
  1. 1. – What is the main function of the skeleton that helps hold up the body?
  2. 2. – What important body part does the skeleton protect, like the heart or brain?
  3. 3. – What does the skeleton help the body to do along with muscles?
  4. 5. – What is a system of connected parts that supports a shape?
  5. 7. – What type of structure has support on the outside?
  6. 8. – What do we call an animal that has a backbone?
  7. 9. – What connects bones and allows movement in the skeleton?
  8. 13. – What is another name for the spine in vertebrates?
  9. 14. – What part of the skeleton protects the heart and lungs?
  10. 15. – What are the stiff supporting parts of a frame structure called?
  11. 18. – What is a long, strong part of a frame structure called?
  12. 19. – What are the hard parts that make up the skeleton of a vertebrate?