Procedures In The Physical Science Essay

1091 words - 5 pages

Procedures in the Physical Science
Erica Taylor

Introduction to Physical Science
April 25, 2013

Procedures in the Physical Science
Science is defined as the systematic knowledge of the physical or material world gained through observation and experimentation (science, n.d.). Science is an ongoing quest for knowledge and understanding of not only the world itself, but the universe as well. In order to accomplish this quest, scientists use many tools to measure and analyze a variety of elements and phenomena in order to have a clear understanding of why things are the way they are. There are times however when direct measurement of something is not an option requiring scientists to ...view middle of the document...

Seismologists measure the strength of an earthquake by measure the level of shaking on the earth’s surface with a seismogram which records the shaking in wiggly lines. The length of the lines plus the amount of wiggling illustrates the strength of the event, larger lines with a lot of wiggle indicate a stronger earthquake and vice versa (Wald, 2012).
Science allows for the understanding of the world around us however it can also help us to find needed resources that would be otherwise difficult to locate. With a dependency on fossil fuels, the world consumes more than 80 million barrels of oil on a daily basis. Since waiting for oil to bubble up to the surface is not an option to meet consumer demand, scientists have to explore other options. In order to locate petroleum deposits buried deep below the earth’s surface, experts use a variety of tools such as satellite and surface maps, soil and rock samples, and a gravity meter looking for subtle changes in gravitational pulls. If the oil is close to the surface, sensitive magnetic equipment provide signs of underground oil traps. Another way to locate possible oil pockets is through seismic surveying which sends shock waves to the ocean floor that bounce back to hydrophones dragged behind a ship when the waves reach a change in rock layers. Analyzed by computers, the data can tell surveyors pinpoint possible oil traps in the ocean floor (Lamb, 2008).
It is important to understand the world around us although it does not come without risk to researchers. Scientists in labs often work with chemicals and toxic substances that can be flammable or even explosive, making it important for all risks to be carefully calculated and proper safety gear to be used. When handling dangerous chemicals, the researcher can take certain safety precautions which do not guarantee safety, however they do minimize the chances of accidents. Lab safety should be taken seriously and proper handling techniques followed. Wearing appropriate protective gear such as safety goggles, protective clothing, and gloves contribute to researcher safety in a laboratory setting. Goggles protect the eye area in case a chemical accidentally splashes preventing possible blindness and gloves provide a layer of protection from skin irritation. Appropriate clothing is another measure of protection against chemical dangers. Not wearing loose clothing as well as keeping long...

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