Physics is based on observations experimental and quantitative measurement. A lot of the phenomenon of physics can be solved through observation experimental. Measuring of quantitative also plays a very Because two of this then the physics that is abstract likely can be discussed more concretely.important. Without measurement are very thorough, the science of physics don't grow rapidly as now. Due to the learning of physics should be more appropriate use of methods of observation experimental and quantitative measurement. One of them are using the method of demonstration or experiment.
One of the physics that makes it possible to live up to use such method is Hydrostatic Pressure. This method is the author of the match with model inquiry. For this activity necessary tools and simple. The tools and materials is easily available as well as reduce environmental pollution. The device used was a plastic bottle, mineral water, nails, and a ruler. The tools and materials is easily obtained and doesn't cost money. Here's an explanation for each props simple.
Plastic Bottle
A plastic is useful as a container storage of mineral water. This bottle is also serves as the manufacture of the hole. A plastic that are used are bottles.Mineral Water
The mineral water is one that is used in the laboratory. It should be some kind of fluid used. This is useful to see the difference in treatment the fluid. But in the activities of these writers use one kind of fluid.Nails
In this event, a nail to make a hole in a plastic bottle. There's no purpose other than to make the hole.Ruler
In accordance with its function, a ruler in activities is useful to measure the distance a shower. In addition it is also useful to measure the depth of each hole.
Step the Activities
As for the steps the laboratory is as follows.
- Make a hole in a plastic bottle using a nail. It is made as many as three holes with different depths. If students are doing more than three holes is also not problem.
- Close each hole using duct tape. This is useful to prevent water not out via holes are now filled.
- Fill a plastic bottle with mineral water to the brim.
- Open the glue a hole in the same time. Observation a shower.
- Measure the distance each shower using a ruler.
- Record the data the lab work in a table of observation.
###Conclusion
Based on the activities of the teacher with students learn about learning Hydrostatic Pressure as follows.
- Hydrostatic Pressure is very dependent on the depth of the fluid. The greater the depth of the fluid, the greater hydrostatic the pressure.
- Hydrostatic Pressure also depend on density the fluid. The greater the density fluid, the greater hydrostatic the pressure.
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