Water quality method for chemistry lab Report Example | Topics and Well Written Essays - 1000 words

Water quality method for chemistry - Lab Report Example The materials used in the experiment included the surface water test kit. The kit was from Hach Company. While conducting the experiment, safety procedures were fundamental; since the water was hazardous, protective clothing such as globes was important (W.H.O 114).   The test kit contains all materials required to perform the experiment, for example, reagents for testing chlorine content in water (Sturman & Kuruvilla 77).   There are other materials such as test tubes to put the surface water before adding reagents to test for various parameters.   With the help of a Grab sampler, collection of water samples was easy.   After collecting the water sample, appearance evaluation was present to determine the color, turbidity and presence of organic materials.   From the sample, odor was determinable via wafting.   The amount of dissolved oxygen in water was determinable via adherence to procedures from the test kit (W.H.O 116).   A PH meter from the test kit indicated the level of PH in the water sample.   The recording of water temperature was possible by following the test kit directions.   The nitrate test entailed additions of zinc sulfanilamide to the water sample and the results recorded.   The Hach kit aided determination of ammonia plus chlorine by following instructions from the Kit.   All the results from the tests were in records by all members of the group (Sturman & Kuruvilla 78). Observation of the water sample indicated clarity with small amounts of suspended solids. The water was clear, meaning that there was no color.

How interactive multimedia affects young children Essay

How interactive multimedia affects young children - Essay Example This essay declares that interactive multimedia has huge positive impacts on the psychology of learners that shows up in the form of rapid shift in the child’s mood and inclination towards studies. What fundamentally upgrades multimedia educations as compared to traditional educational setup is that moving picture keeps the viewers interest in the subject alive for hours. They can maintain their concentration for prolonged periods of time. This paper makes a conclusion that multimedia has been successfully employed as a means of conveying education in many advanced countries of the world in the present age. Children have been able to enhance their cognitive skills with the advent of multimedia in the educational system. Children who have gained maximum benefit from the incorporation of multimedia in education are the ones suffering from Autism. Use of interactive multimedia in education enhances the computer skills of children sufficiently enough so as to progress in an information based culture of the modern world. Teachers prefer to make use of multimedia because it provides them with an opportunity to overcome the shortfalls of conventional teaching methods and allows the students to apply what all they learn from their texts. According to Gilliver, Randall, and Pok, the multimedia not only facilitates learning but also proves cost effective in that increased usage decreases the cost per use.