Explain Your Stuff Flight Science Review.

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Presentation transcript:

Explain Your Stuff Flight Science Review

1: Give an Example of hot air rising to create lift 1: Give an Example of hot air rising to create lift. Explain why this happens An example of hot air rising to create lift is a hot air balloon A hot air balloon can fly because when air is heated, it rises. The balloon traps the hot air. Eventually, the air heats up and rises enough that its “push” up on the balloon is greater than the pull of gravity. It flies!

2. Which property of air is being demonstrated A: Air has mass B: Air moves around

3. State Bernoulli’s Principle in your own words. Bernoulli’s Principle states that faster moving air has less pressure (or pushes less) on an object than slower moving air.

4. Identify 2 everyday situations or products that illustrate Bernoulli’s Principle. Airplanes flying Race Cars

5. Describe the 4 forces acting on flying devices. Thrust: propels the device forward Drag: slows the device down as it moves through the air Lift: keeps the device in the air Gravity: pull the device toward the Earth

6. How can drag be reduced when: A. Walking: don’t wear baggy clothes B. Taking part in sports: wear equipment that is aerodynamic (air passes over easily) C. Flying a plane: fly with the wind, or don’t fly when it is windy.

7. In order to fly, a plane needs enough lift to overcome what? Gravity

8. Name 2 Canadians who have contributed to the science and technology of aircraft and describe their inventions William Wallace Gibson: created small model planes that flew Roland Groome and Robert McCombie made the first flight from Saskatoon to Regina

10. Describe one safety precaution that you practiced when learning about air and flight. Do not fly flight devices in the direction of other students. Always find an open area to test a flying device.

11. Think of 2 different types of flying devices that you have learned about. Hot air balloons Passenger airplanes Military aircraft Utility aircraft (Water bombers, air ambulance, etc)