Name: Calista                                  Class: 8 love                          Date: 22 January 2018Introduction: Paper planes are sometime like life. Sometimes it takes a huge amount of mass for it to fall but can also take a small amount of mass for it to fall. This is why we can relate to what we can say our hard work and what we can do because everyone needs different strength for them to success. In this investigation, we are going to use different mass to find out how does it affect the performance of the paper helicopter. We are going to try 4 different masses and compare it to each other. After we investigate and research about it, we are going to record it in the table below. Research Question:How does the mass of the paper helicopter affect the time it takes to fall? Background study:From the information that I got, we can say thatheavier objects tend to fall faster than lighter ones. This happens because of the higher gravitational pull to the Earth, resulting it to be faster. Hypothesis:If the mass of the paper helicopter is higher, the time it takes for it to fall will be faster. Variables:Dependent variable: The time it takes for the paper helicopter to fall.Measurement of the value: StopwatchIndependent variable:The mass of the paper helicopterMeasurement of the value: Weighing scaleControl variables:The type of paperThe mass of paper (2gram)The size and area of the paperThe same type of paper clip The same mass of paper clip (1.1 g) The size of the paper clipThe starting point of fall Apparatus list:Same type of paperWeighing scaleScissors RulerSame type of Paper clipsStopwatchMethod:Cut the paper Fold the paper as shown from the linesPlace the paper clip at the side of the paper Measure the length of starting point and place the paper helicopter thereUse the stopwatch to record the time taken for it to fallRepeat the experiment two more times with the same amount of paperclipsRepeat the experiment again with different amount of paperclips Measure all the results in the table below Intended readings:1 clips, 2 clips, 3 clips, 4 clips, 5 clips Safety considerations:Show my plan to the teacher before starting the investigationWear safety gogglesWear laboratory coatReport any accidents or spillage to the teacherWork in a neat and clean placeKeep the apparatus from the edge of the tableClean all the apparatus after usingResult: Graph Amount of paper clip (1.1 g each) Time taken 1Time Taken 2 Time Taken 3Average 530.550.540.5460.410.440.450.4370.340.390.330.35Result: Line Graph Conclusion and Evaluation Result DiscussionFrom the experiment and results above, we now know that each of the paperclip is always the same mass as the others. It seems that the time taken for the paper plane to fall is affected by the amount of paperclips. ConclusionFrom the experiment, we know that the more paperclip we put, the faster it will be for the paper plane to fall. JustificationThe results above show how the conclusion works. It is like that because the mass on the paper is higher and it makes the paper faster to fall. EvaluationErrors:We don’t have anymore paperclips to investigate further We don’t measure each of the paperclip and just search for the average We don’t use the same type of paper planesWe only have 3 trials for the investigationLimitations: Add more trials for the investigationUse the same size of paperclipsUse the same type of paperUse the same starting pointMeasure each of the starting point

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