On 19th May I tested the force of gravity with building a parachute to slow down or create air resistance and safely landing with an egg attached to the contraption. I have done this experiment so I could see the amount of air resistance against the contraption safely towards the ground, without cracking. I also wanted to see what me and my team could do to create the most air resistance.
Me and my team chose to do this kind of design to our “parachute” to stop the impact of our egg to crack. The contraption is meant to stop the egg from cracking even if the parachute fails. This is because of the structure made of straws which reduces the amount of force onto the egg to make it crack when landing so heavily.
Steps in doing this experiment included:
- Take all the materials you need in making the design
- test it without the egg to see if it has a good amount of air resistance
- After you are confident with your design place an egg in your design where it is stable and won’t crack
- Then go up to place about 4-5 metres high with a person up high and one down to how long the contraption will fall.
- I hope that your egg has survived when letting go of the design in time with the time keeper.
When I dropped the contraption, it took 0.809 seconds to reach the floor but still the egg survived the fall 2 times. Our contraption was very different from everyone else’s because of the way we made it. It was a pyramid shape contraption, with straws over the length of the actual pyramid, and when the egg gets hit on impact in the design it wouldn’t break, because of the edges.
Some people’s parachutes feel faster or slower than others depending on how much air resistance it has on the design, like making a parachute, which slows it down significantly if placed correctly. But the forces were very much unbalanced for most people and a couple people could make the forces balanced
Natural selection is a fundamental mechanism. When organisms are better suited to an environment, they are better able to survive and reproduce, while individuals not suited to the environment will die off, and won’t be able to reproduce to offsprings, because of unsuccessful parents. In this way, the environment ‘selects’ the best individuals/living organisms. For eg, if a giraffe with alleles with longer necks will survive and do the reproduction phase with other giraffes, whereas giraffes with shorter necks, as their alleles, die off and don’t reproduce those alleles to offsprings. The process of reproduction includes a successful mate with alleles suited to the environment and create off springs so they can be successful and do the same cycle their parents did. Evolution is the process of changes in the frequency of alleles in a population over many generations, as a result of natural selection. For evolution to occur, four conditions must apply: individuals in a population must survive and reproduce, survival is not random, there must be a variation in a population, and the beneficial traits possessed by survivors must be inheritable, which should be passed on to offspring.


