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Friday 23 August 2013

Aerodynamics/ Hydrodynamics Science fair projects Ideas and PDF Downloads

Top 30 Aerodynamics/ Hydrodynamics Science fair projects Ideas and PDF Downloads

Aerodynamics/ Hydrodynamics Science fair projects Ideas


  1. Which Windmill Is Better?
  2. How Wing Design Affects Lift across Different Angles of Attack
  3. The Science of Paper Airplane Flight
  4. Sustainability with Wind Power
  5. Fins, Flippers, Feet!
  6. Air Pressure in Soccer Balls
  7. How Efficient Is Your Wind Turbine?
  8. Hovercrafts: Winds of Movement
  9. Stoked on Viscosity
  10. Fuel Troubles: Improving Car Aerodynamics and Fuel Efficiency through Dimples
  11. Falling Faster: The Effect of Area on Terminal Velocity
  12. WHRRR! The Effect of the Angle of a Blade on the Voltage Output of a Wind Turbine
  13. Pick-Up the Pace: A Study in Truck Body Shapes and Drag
  14. Maximum Angle of Attack Before Stalling
  15. Spin It to the Limit
  16. The Effect of Water Level on the Altitude of a 2-Liter Water Rocket
  17. Determining the Relationship between Lift and Wind Speed to Induce Flight in a Sample Aircraft
  18. Hovercraft Mania
  19. Rotating into the Future of Flight
  20. Fly Like an Eagle: Ornithopter Dynamics
  21. Does the Size of the Waterwheel Paddle Affect Speed and Performance?
  22. Does Wing Affect the Amount of Kinetic Energy Produced by the Different Wind Blade Designs
  23. Gone with the Wind
  24. Water Wheelin': The Effects of Turbine Blade Size on Power Produced by a Micro-Hydro Water Turbine
  25. The Lean Mean Green Machine: Finding the Optimum Parameters for an Efficient Windmill
  26. Which Airfoil Design Generates the Most Lift?
  27. The Amazing Hovercraft
  28. How Does Parachute Material Affect Speed?
  29. Levitation: Applied Electro hydrodynamics
  30. Which Pitch to Ditch? How Propeller Pitch Affects the Thrust and Speed of an Underwater Motor
  31. Looking for Lift!
Download These Science Fair Projects: http://www.usc.edu/CSSF/History/2009/Panels/J01.html


Fire Water Balloon Experiment Video

 Fire Water Balloon Experiment Video

Materials 

The materials required for this science fair project:
- 1 matchbox - 1 candle - 1 yellow colored balloon - 1 blue colored balloon - Half a cup of water

Procedure 

1. For this experiment, the independent variable is whether the balloon is filled with water or not. The dependent variable is what happens to the balloon when it is placed above the lit candle. This is determined by observing the balloon. The constants (control variables) are how much the balloon is inflated and the amount of water in the balloon.
 2. Inflate the yellow colored balloon and tie it up.
3. Pour half a cup of water into the blue colored balloon before inflating it to the same size as the yellow color balloon and tie it up.
 4. Light up the candle. Be careful when using match sticks to avoid causing fires, or burning yourself.
5. Hold the yellow colored balloon on top of the lit candle. Observe and record what happens. 6. Hold the blue colored balloon on top of the lit candle. Observe and record what happens.

How much noise can produce paper cup?



How much noise can produce paper cup?
 
How much noise can produce paper cup

materials needed

plastic cup (or paper)
string, about 30 cm (12 in.) long
Half of a toothpick

Procedure

1. Make a small hole in the bottom of the cup, at the center. You can use the toothpick or your pencil to make the hole.
2. Insert the end of the string through the hole in the cup.
3. Tie the string around the half toothpick, so the toothpick will be on the outside of the cup.
4. Hold the cup in one hand. Squeeze the string with the thumb and index finger of the other hand, and pull, holding the string tight, but allowing it to slip through your fingers.
5. Did you hear anything? If not, squeeze a little tighter next time.
6. Wet the string with water and do it again.
7. What happened? Explain, and have fun!

                For problem solvers:

 Experiment with different materials. The variables are the cup, the string, the water, and how tightly you held the string with your fingers. Change one variable at a time and see what differences you can make. Predict what differences each change will make before you try it.
                if you can find a small feather or two and some rally eyes, you could decorate this noisemaker and call it the yellow chicken, the red hen, or something like that. you decide. you could fashion a beak out of a clothespin or some other suitable object.
                why does this thing make sound? what is the role of the cup?

Experiment with Short Circuit



What is a short circuit? 

Short circuit is an electrical circuit that allows a current to travel along an unintended path, often where essentially no (or a very low) electrical impedance is encountered. The electrical opposite of a short circuit is an "open circuit", which is an infinite resistance between two nodes. It is common to misuse "short circuit" to describe any electrical malfunction, regardless of the actual problem Source: Wikipedia

Experiment with Short Circuit

Do Experiment

Materials needed
·         one 1.5-volt flashlight battery 
·         Two 25 cm ( 10 in.) lengths of single strand insulated copper wire of 20 or 22 gauge.
·         small light socket with flashlight bulb
·         small screw driver 

One 25 cm (10-in) length of copper wire, similar to that used in activity 8.2, stripped on both ends. 

Procedure
1.      Connect your circuit so there is a complete path and the light turns on.
2. Strip (clean off) the insulation from 1 cm (1/2 in.) in the centre of each wire. Does the light still go on?
3. Put the bare ends of the extra piece of wire across the bare sections of your circuit wires. Does the light go one?
4. What do you think has happened? Why?
5. Feel the ends where the bare ends are touching. Do you notice anything?
6. You have made a short circuit. Discuss with your teacher and the other class members what that means.
2.       

Conclusion:


Share us your results with us.

Caution:
do not leave the circuit connected this way for more than a few seconds. If the battery is strong the wire might become hot enough to burn fingers, though it will still not cause an electrical shock. It will also run thee battery down very rapidly



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