ESS Experiment on Soil

As the new term begins, so does a new experiment for ESS. These experiments are really fun for students as they can gain lab work experience and are beneficial because of the lab report that has to be done following it. For DP1, we are starting the chapter of Soil Systems and Society. Soil is a necessity on Earth and one of the roles is that it helps to grow plants. Our experiment was to analyze two samples of soils, garden soil and roadside soil. With these two samples we found its pH, moisture, water capacity and texture. It is important to understand these qualities in soil because when they are in a certain condition, it is the best for growing plants.

This experiment was very messy, but it was enjoyable. The students were divided into three groups and it was a new experience for everyone. Although we have done experiments before, we did not use some of the apparatus used in this experiment, so it was a new challenge for us. Equipment such as the dropper, glass rods and the universal pH indicator was never used in previous experiments so it was difficult. What made it challenging was that we did 4 different experiments on a sample and we had to do it in under an hour and a half. This demanded efficiency from us and a lot of teamwork. Fortunately, all groups were able to collect the results they needed.

Although these experiments and the lab report after are difficult and tiring for students, it is very helpful for us as it improves our lab skills, gives us experience in practical work and is great practice for the upcoming IAs.

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