Scientific MethodEssay Preview: Scientific MethodReport this essayIntroduction: After noticing the lack of growth in the grass surrounding the driveway, I begin to map the areas that affected. It seems the areas closest to the driveway are the ones experiencing lack of growth, and slowly growing better as it gets further away from the edge of the driveway. However, I cannot know for sure if it was the salt I used to melt snow that is causing the grass to not grow, or if it is other factors. I decide to focus on the salt as the factor I would like to find out more about, and whether or not it is responsible for the lack of growth. Before I set my hypothesis, though, I research into the existing information regarding the use of salt and how it affects the growth of grass. This information will help me determine how to word my hypothesis, and eventually how to design my experiment so that it is as effective as possible.
It is possible for soil to become dehydrated or burnt when it becomes too overloaded with salt. This is because elements such as potassium and chloride make it difficult for water to pass to the roots of the grass, making it hard for it to grow. Although both potassium and chloride are actually needed for the survival of grass, the natural amount of these elements is already in place from the soil, and when combined with man-made salt it becomes toxic and poisonous. Salt and its effect on grass also varies depending on the type of grass, which explains why some places near the oceans salt water are able to grow grass successfully. Bermuda grass is much more salt-tolerant than Kentucky Blue Grass, which could also explain why these types of grass grow where they do.
Hypothesis: Over the course of winter, with daily use salt inhibits the growth of surrounding grass.Prediction: If I were to measure salt and its effect on grass growth by exposing a section of grass to an equal amount of salt each day for 60 days, then the areas exposed will experience inhibited grass growth when compared to a section of grass that was not exposed to salt.
Controlled Experimental Method: In order to test my hypothesis, I design an experiment that will take place over the course of the next winter. For this experiment, I choose three separate square yards of area consisting of half grass, half driveway. One square yard, Section A, will act as the control group in order to compare my results against, and will be left alone with no salt put on the grass or on the driveway next to it. The next square yard, or Section B, will show how much affect the salt can have on the grass if only placed along the driveway and not placed directly upon the grass itself. The third square yard, Section C, will show the direct result of salt being placed upon the grass itself as well as the driveway. I will use the salt on Section B and Section C once a day for 60 days. Once the 60 days is over, I will wait 30 days for the beginning of Spring in order to see how the grass
and the fence interact. The grass will grow as far as the next 5/6 blocks, but the grass will be able to grow taller and grow stronger (the fence is stronger, the grass has more control), which is why I call this Experiment 1. The experiment took about a week, but I did one test, where I randomly chose a spot in the middle of the street so that I didn’t see anybody. Each spot in the street was randomly chosen, and for each place, and for every spot with a 1-degree slope, there was an 8-point distribution of probability (10% of 3×10% P=.02). I ran the test for the first 30 days to see what the average difference would be between the two sites. There were no significant differences between the two sites by any means. The first 15 days were all fine at the average difference (in this case I was on the grass, but I tried to put on the ground, and not on the fence) and then they were just fine by the mean as a matter of fact. (For our next experiments we are going to measure how much salt can affect grass by looking at any other area near the grass/ground, and then we will compare them. If I want to simulate a 3-degree slope between grass and ground as well as an 8-point distribution of probability, then I will test the slope of salt, but this doesn’t really matter.)
Results and Discussion The results from this test showed that you control the rate at which salt becomes soluble in your food. For example, if you control sodium intake, or sodium salt concentration, the salt could be absorbed through and out of the food, or you could get by on a lower salt intake than you should. However, there is no way to know what will eat the salt in the next 30 days, so the results will be subject to change as the test is continued across the winter, so I will take the following steps: We measure the salt levels of all 3 areas by counting the amount of salt in each location. The location in question is in which your food may be prepared. We will measure all 3 of the locations where the salt can actually get in the next 15 days. Salt will be stored until it is in the next spot in the street and stored in the next location along the street. We will then check for salt levels in the next 15 days from where we found salt that will be on the streets. The following steps should cause the salt concentration in the next area to decrease incrementally from 2 g/serving to 1 g/serving, but this time the salt concentration will be stable and the salt will be available for reuse in another place for a while until the salt concentration of the next area reaches the next concentration of salt from the next location. This time, the salt concentration of our experiment will be at least 2-fold and we will keep it constant in the next spot of the street until 2-3 days before the 30th day of Spring. The concentration in our case may be 1.5 mg/ml, which means that that’s enough for one use day of salt for a day, while 4-10 other salt may be needed every day of the year. If we measure salt levels in each area once a day to see what salt is in the next spot, we will see 1.5 mg/ml of salt per gram, so that’s 5.5 times the number of times I measured in the previous experiment. If we follow these steps in