How does the shape of a bird's wing help it to fly? Give one example.
Answer
The curved shape of the wing creates lift by making air move faster over the top, reducing pressure.
The correct answer is The curved shape of the wing creates lift by making air move faster over the top, reducing pressure. — Conclude that the pressure difference generates lift.
Step-by-step solution
- Describe the curved shape of the bird’s wing.
- Explain that air moves faster over the curved upper surface.
- State that faster airflow reduces pressure above the wing.
- Conclude that the pressure difference generates lift.
Common mistake: Not linking wing shape to lift
Concept tested: Wing shape generates lift
Published · How this solution was prepared and checked
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