• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

strength of an uncooked spaghetti

Extracts from this document...



An investigation of a certain factor which affects the strength of uncooked spaghetti.


Aim: To investigate and determine the relationship between the length of uncooked spaghetti and the load applied to it reaching its [uncooked spaghetti’s] breaking point.

General background:

Regular wheat pastas i.e. pastas that need cooking for consumption can be made simply by mixing wheat flour with water, then extruding into pasta shapes and drying. The resulting pasta has good strength, with good cooked firmness and low cooking losses.

The strength of an object can be affected by various factors, such as: size, mass, temperature and many more. However, when it comes to the case of uncooked spaghetti, there are two main factors which affect the strength of uncooked spaghetti. These are: the length of uncooked spaghetti and the cross-sectional area of uncooked spaghetti.

In this experiment, I will investigate the effect the length of uncooked spaghetti has on its strength.


I predict that the longest piece of uncooked spaghetti will be more fragile and brittle compared to the shorter pieces of uncooked spaghetti. This means that the length of uncooked spaghetti will be inversely proportional to its strength i.e. the shorter the piece of uncooked spaghetti the stronger it would be and vice – versa.

Independent Variables:

The independent variable in this experiment was the known length of the piece of uncooked spaghetti.

...read more.


Since the same type of spaghetti was used, the thickness i.e. the cross-sectional area of the spaghetti was kept constant hence, not affecting the readings obtained. The temperature at which all the experiments were conducted also remained constant in the room and this was made sure by constantly measuring the temperature of the room every 15 minutes and noting down the temperatures.


Data Collection:

Mass of the plastic container with string attached to it = 12 g = 0.012 kg

Table 1 below shows the different lengths of pieces of uncooked spaghetti used in the experiments and the volumes of water added to the plastic container serving as the load applied to the spaghetti pieces:


Length of Piece of Uncooked Spaghetti (± 0.05 cm):

Volume of Water added to the plastic container (± 0.5 cm3):



















Since, water has a density of 1 g cm-3, the values of the volumes of water obtained above serve as the same values for the mass of water used. This means:

Density = Mass / Volume

So, Mass = Density X Volume, and because the density of water is 1, Volume of water = the Mass of Water.

1 kg = 10 N

Using the above conversion, the load applied to the pieces of spaghetti was calculated.

For instance, experiment 1:   (25 ± 0.5 g) = (25 ± 2 %)

((25 ± 2 %) * 10) / 1000 = (0.25 ± 2 %) = (0.25 ± 0.005 N)

...read more.



The method and materials used for this experiment was pretty good, however some improvements could be made for a more accurate and correct result. The following are some of the errors which were experienced while conducting the experiment and improvements which could be made to overcome the errors:

  • The water used in this experiment to fill the plastic container was collected from the tap and it might have occurred that there could be some impurities present in that water. Due to the presence of these impurities, the density of water might not have been 1 g cm-3 and hence, this might have affected the mass and load readings calculated using this density. Hence, it would have been appropriate if the density of the water collected was also collected before using the water in this experiment.
  • Instead of filling the plastic container with water, another appropriate method could be the use of coins. Coins of known mass could have been used to fill the plastic container and then calculating the load which affects the strength of uncooked spaghetti.
  • Further investigation on the strength of spaghetti could be done using different types of spaghettis i.e. spaghettis with different thicknesses meaning spaghettis comprising of different cross-sectional areas. This would help to investigate and determine the relationship between the strength of uncooked spaghetti and its cross-sectional area.


The information included in the general background in the design section of this lab report on page 1 was obtained from the following web link:

  • http://www.freepatentsonline.com/4435435.html, 09/01/09

...read more.

This student written piece of work is one of many that can be found in our International Baccalaureate Physics section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Physics essays

  1. Investigate the factors affecting the period of a double string pendulum

    Also my human reaction time and speed is also due to my perception of where a wave started and finished as I have bad eyesight I might have over counted or undercounted some waves. The factor that mainly affected my human reaction speed was also the independent factor of my

  2. Suspension Bridges. this extended essay is an investigation to study the variation in tension ...

    The force acting on the cables in a suspension bridge can be due to the air pressure and wind velocity. This real-life practical setup propelled me to undertake an investigation - To study the variation in tension in the left segment of a relatively inelastic and an elastic string tied

  1. Verification of the earth's gravitational field strength

    Time 20 oscillations and then divide your answer by 20 in order to get a much more accurate result. 4.

  2. Energy density experiment - Aim: To determine the energy density of ethanol

    Uncertainty of average thermal energy: Amount of ethanol burnt (kg � 0.000005kg) Uncertainty of average energy of ethanol transferred (J) 0.0005 �1200 0.001 �1500 0.0015 �980 0.002 �2500 0.0025 �500 Processed Data Table: Table 7. Processed data of average thermal energy Amount of ethanol burnt (kg � 0.0000005kg)

  1. How does the number of holes in a plastic cup affect the time it ...

    each time. This is measured with a 250 mL (� 2 mL) graduated cylinder. Another control of this experiment would be having the same person timing the experiment for every trial. Another control would be puncturing the same size hole at the bottom of the cup throughout the trials.

  2. Investigating radioactive decay using coins

    1 32,0 0,0 2 15,0 17,0 3 9,0 23,0 4 5,3 26,7 5 3,0 29,0 6 1,3 30,7 7 0,3 31,7 Data presentation: Now in order to answer my research question it is vital that we draw a graph because if the graph illustrates an exponential decay curve then it

  1. Factors affecting an electromagnet

    Usually there is only one independent variable unless a research paper is being submitted in which case more are possible. Dependent Variable Dependent variables are influenced by the independent variable stated previously. Once again, students are required to list all the dependent variables that were encountered during the experiments, as

  2. Researching water turbine designs.

    If the guide-vanes are fixed it is "single-regulated". Fixed runner blade Kaplan turbines are called propeller turbines. They are used when both flow and head remain practically constant, which is a characteristic that makes them unusual in small hydropower schemes.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work