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Gr 4 Science Ch 4
Gr 4 Science Ch 4 Chapter Checkup Definitions
| Term | Definition |
|---|---|
| crest | a tuft of feathers on a bird's head |
| down | a layer of small, fluffy feathers underneath the outer feathers of some birds |
| field marks | identifying marks found on birds |
| gizzard | the part of the bird's stomach that grinds up food |
| habitat | the particular kind of area in which an animal makes its home |
| insulate | to keep warm even in freezing temperatures; prevent loss of heat |
| migrate | to move from one place to another with the change of season |
| preen | to clean feathers with the beak |
| quill | the stiff, hollow portion of the feather |
| syrinx | the bird's voice box |