Pilots at the Fly Away Airport charge your advice — fast! Last night, lightning destroyed the orange windsock. This windsock helped pilots admeasurement which administration the wind was blowing. But now the windsock is gone with the wind, and an admission aeroplane needs to land. The pilot charge apperceive what administration the wind is alarming and is counting on you to accomplish a accessory that can admeasurement wind direction.
Materials: cardboard plate, cartoon compass, metric ruler, protractor, basis card, scissors, stapler, artificial straw, acicular pencil, pushpin, alluring compass, baby rock
Ask a question 1. How can I admeasurement wind direction?
Conduct an experiment 2. Acquisition the centermost of the bowl by archetype about its bend with a cartoon compass. The acicular end of the ambit should blow a baby aperture in the centermost of the plate. 3. Use a adjudicator to draw a band beyond the centermost of the plate. 4. Use a protractor to advice you draw a additional band through the centermost of the plate. This new band should be at a ninety amount bend to the band you drew in Step 3. 5. Moving clockwise, characterization anniversary band N,E, S and W. 6. Use a protractor to advice you draw two added curve through the centermost of the plate. These curve should be at a 45 amount bend to the band you drew in accomplish 3 and 4. 7. Moving clockwise from N, characterization these new curve NE, SE, SW and NW. The bowl now resembles the face of a alluring compass. This will be the abject of your wind-direction indicator. It will advice you apprehend the administration of the wind at a glance. 8. Admeasurement and mark a 5 x 5 cm aboveboard on an basis card. Cut the aboveboard out of the card. Fold the aboveboard in bisected to anatomy a triangle. 9. Staple an accessible bend of the triangle to the harbinger so that one point of the triangle touches the end of the straw. 10. Hold the pencil at a 90 amount bend to the straw. The eraser should blow the antithesis point of the straw. Push a thumbtack or pushpin through the harbinger and into the eraser. The harbinger should circuit after falling off. 11. Acquisition a acceptable breadth alfresco to admeasurement the wind direction. The breadth should be bright of copse and buildings. 12. Press the acicular end of the pencil through the centermost aperture of the bowl and into the ground. The labels on your cardboard bowl should be adverse the sky. 13. Use a ambit to acquisition alluring north. Rotate the bowl so that the N on the bowl credibility north. Place a baby bedrock on top of the bowl so that it does not turn. 14. Watch the harbinger as it rotates. The triangle will point in the administration the wind is blowing.
Analyze the results 15. From what administration is the wind coming? 16. In what administration is the wind blowing?
Draw conclusions 17. Would this be an able way for pilots to admeasurement wind direction? Why or why not? 18. What improvements would you advance to Fly Away Airport to admeasurement wind administration added accurately?
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