Making a parachute science fair project requires understanding the forces of gravity and air resistance. In this parachute science fair project, you will drop several different eggs from the same location using different parachutes. You will then compare which parachutes protected the egg and which did not. This will enable you to understand how a parachute uses air resistance to slow the speed of a falling object.
- Skill level:
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Things you need
- Plastic garbage bags
- Hole puncher
- Several plastic sandwich bags
- Several raw eggs
Cut out a 20-inch square of plastic from the garbage bag, making sure that all angles are perpendicular to each other.
Punch one small hole adjacent to each corner of the square.
Cut the string into four 20-inch pieces, thread the end of each string through one of the holes and tie the string to secure it to the square.
Tie the other ends of the strings together, leaving several inches of each string dangling.
Place an egg inside of a sandwich bag, and tie the bag shut with the dangling ends of the strings to connect it to the parachute.
Creating the Parachute
Decide on one factor that you will change in creating two additional parachutes. For example, you might change the size of the square, the length of the strings or the material that the square is made of. (For this last factor, you might use newspaper and cloth as your two other variables.)
Decide on a hypothesis, or an educated guess, that states what the difference will be between the three parachutes. Focus on what will happen to the egg when the parachutes are dropped from a high location.
Create the two additional parachutes, changing only the variable you decided on in step one.
Inspect the eggs for damage and record your results.
Identify why you think you got the results that you did.
Designing the Project
Tips and warnings
- Make sure to use the terms "speed," "acceleration" and "terminal speed" when discussing your science project with the judges. Do plenty of research beforehand so that you understand how terminal speed might affect the results of your experiment.
- Do not drop the parachutes onto carpet or any other surface that is difficult to clean.
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