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• Level: GCSE
• Subject: Maths
• Word count: 3041

# Bug Up Toy

Extracts from this document...

Introduction

Bug up experiment

Aim

My aim for this experiment is to observe and figure out how high the bug up can jump as each plastercine adds on it. With my own knowledge, I know that if I put more masses on something, the height of the thing can jump will be lower. The bug-up may jump in many different directions, so the height will be affected.

Apparatus

-  A bug up toy (7.6 grams)

• 15 grams plastercine
• Meter ruler
• Electronic Scale
• A computer
• A webcam
• Program call “Windows Movie Maker”
• A clamp
• A stand

A Fair Test

In order to have a fair test on this experiment, I am going to use the same bug up toy because different toys may affect the height difference. Secondly, I will do this experiment in an indoor area so the weather and wind wouldn’t affect the height of the jump. Also, I would add the same amount of weight and mass of plastercine on every time. I would record 3 times for every jump, so I can calculate the average and also find out the outliner and the mean of the results. Moreover, I am going to do this experiment in the same lab and same day.

I would use the same ruler so it could be more accurate. For every jump, I will try to push the same amount of force on the bug up so it won’t affect the height. To prevent the bug up over-lapping and spinning, I will add the plastercine equally inside the bug up instead of the top of it, so the air-resistance wouldn’t change and affect the decrease of the height jump.

Scientific knowledge and Prediction

Middle

Average height (mm)

0

7.6

560

550

560

556.7

1

8.6

520

490

520

510

2

9.6

450

450

460

453.3

3

10.6

420

410

410

413.3

4

11.6

420

410

390

406.7

5

12.6

360

370

350

360

6

13.6

330

330

340

330

7

14.6

299

300

303

300

8

15.6

289

29

290

290

9

16.6

270

280

270

273.3

10

17.6

260

280

270

270

11

18.6

250

250

240

246.7

12

19.6

240

250

230

240

Analyzing Data

After plotting the results onto the graph, it clearly shows that as the mass increases, the height decreases. I am going to prove the mass of bug up in inversely proportional to the height. I am going to show this in a table of Mass against 1/ Height. The table is shown below. In the Mass against Height graph above, it clearly shows the height drops as the mass steadily increases. However, there are two outliers during the experiment, it had affected the results and changed the graph a little bit. Two outliners had pointed out in the graph above. It is obvious that they are not connecting with the line like the other results and which shows they might be not a fair test during that jump or an accident.

This graph of Mass Vs 1/average Height shows the relationship between them are inversely proportional because when I plot the results into the graph, they are in a straight line going up to the right. I have plotted in a line of best fit which can explain and be certain about this point.

Conclusion

Evaluation

The result which I produced and collected has proved my prediction and the investigation, all my results have supported with this evidence. I have done this experiment in a fair test because I have used the same apparatus (ruler, webcam, and bug-up). I have added the plastercine equally underneath the toy and I have used the same procedure at recording the result with the webcam and the computer.

I have always added with the same mass amount of plastercine. I think my results could be more reliable if I have more time for the experiment next time. Next time if I could have a chance of doing this investigation again, I would do a few more procedures which could show and capture the results more accurate and precise.

I would record 5 times next time, so I could find out a better precise average result. I would record the process when the bug up jumps in slow motion so it will be easier for collecting the data and double checking it. I would change the spring of the bug up after every 20 jumps so it will keep in its best condition and would not change and affects the results.

If I could have more time next time, I would investigate and calculate the relationship between the speed changes. I would use a stop watch and measure the time so I can calculate the speed differences.

I would use a high pixel camera which then I can record the speed and height changes when the bug up is spinning and investigate the relationship between mass and height when they gets affected by rotating and air resistance.

This student written piece of work is one of many that can be found in our GCSE Height and Weight of Pupils and other Mayfield High School investigations section.

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