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Reference chapter

Question 1
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MOVEMENT IN THE AIR

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Question 1

Study the information in the table and answer the questions which follow it.

 

Bird

Surface area of wings in cm3

Total mass in g

Falcon

900

800

Pheasant

1300

1400

Eagle

6500

3500

 

QUESTIONS

Load for the falcon (g/cm3)

Load for the pheasant (g/cm3)

Load for the eagle (g/cm3)

(b) Which bird has the lightest load?

(c) The eagle is able to glide high in the sky but the pheasant can only fly low over the trees. Can you suggest a reason for this?

(d) Give the name of a bird which you think might have

(i) a greater wing load

(ii) a smaller wing load

than the three birds mentioned above.

 

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