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m&m 6.2
Masters of Motion
| Question | Answer |
|---|---|
| Contour feathers | Strong feathers found on the birds body, wings, and tail. Points toward the tail of the bird to aid in streamlining. |
| Three parts of a feather | Shaft, barbs, and barbules |
| Down feathers | Soft, fluffy feathers close to the bird's body that provide excellent insulation without adding much weight |
| Preening | The process of a bird grooming its feathers for a good flying condition |
| Primary feathers | The feathers that extend from the bird's "hand" to the tips of its wings |
| Secondary feathers | Extends from the ulna. Provides the airfoil shape of the central section of the wing |
| Tertiary flight feathers | Overlaps te secondaries nearest the bird's body. Most birds have 3 or 4 of these |
| Gliding | The simplest kind of flight. Uses little energy |
| Wandering albatross | Has the greatest wingspread of all living birds |
| Peregrine falcon | The world's fastest bird |
| Soaring | When a bird glides within a rising air mass so that the bird gains altitude. |
| Intermittent flight | Alternating flapping with gliding or coasting |
| Alula | Corresponds to the slats of an aircraft, helping the bird gain additional lift at slow speeds and allowing a gentle landing |