Essay on Laboratory Techniques and Measurements Lab 1 (Labpaq)

In the late seventeen hundredths when the French Revolution was going on, Scientists decided to create a new method that would help communicate with scientists everywhere by using only one system of scientific methods. They came up with what is now used as the International system of measurements. They decided to come up with an international method so that all scientists would be able to do the same experiments and use the same units so that they will end up with the same results. The successive units of measure are related by the fact that they all originated by using human body parts. They were called "Natural Units". some examples of how they used body parts to measure is the thumb. They used to measure with the thumbs because that was equivalent to an inch. Also back then the average human feet were twelve inches and that is how they made up a foot, which is equivalent to

The purpose of this particular lab is to learn the magnitude scale and more about an alternate measurement astronomers use to designate the luminosity and apparent brightness of stars. When the Greek scientist Hipparcos determined the brightness of stars he did it by eye. The first stars that came out at night were the first importance and today we call those stars “first magnitude”. After the year’s astronomers start realizing how some stars are brighter than others and that's when they form a magnitude scale. Magnitudes and brightness are related to each other, but magnitude scale is a difference subtractive scale and the apparent brightness makeup a multiplicative scale. I believe that it's important to do this lab because we can understand

While there are standards in the sizes, some measurements are still necessary. Most of these measurements are completed with the standard tape measure and called into the manufacturer. One small advance in efficiency would include the use of an electronic/laser tape measure with a PDA linking to the software with the manufacturer. The measurements could be entered and ordered without third-party involvement through phone calls, expediting the order and customer

One of the experiment is comparing the weight of a balloon filled with air to a deflated balloon. By hanging both on a hanger that is balanced on a pencil, you see the balloon filled with air weights a little bit more than the other balloon. Another experiment is filling an empty grocery bag with air and tying it shut. This experiment allows you to feel the air and maneuver it, not see it.

-A great way to measure flour is to weigh the amount you are using to make sure that you are using the right amount like we did today in our lab. You may not always have the option of weighing flour. What you can do is use a sifter and directly sift flour into a measuring cup. Sifting

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

The name of the unit of measurement shall appear in close proximity to the measurement results and the size of its character should be at least

Many of molecular biology and chemistry involves working with very small volumes. A micropipette is standard laboratory equipment used to measure and dispense a specific volume of liquid (#5 buffalostate.edu). This is a very helpful tool that we need to master and able to use in a biochemistry lab. The purpose of this lab exercise is learning how to use a micropipette to find the density of different liquids, and be able to identify an unknown liquid using density. Also, learn how to evaluate the experimental accuracy, precise, and error of small volumes used in biochemistry based on the theory that 1gram of water at room temperature equal 1millimeter (#1 Bruice). If the density of water that determined after the experiment

In conclusion the purpose of this unit is for us to understand how to accomplish thorough conclusions and use the scientific process. We do this by taking accurate measurements and data in our measurement lab. We can also evaluate our analysis that every scientist has to be forthcoming with new information and has to prove that their thesis is wrong. We can also use and practice the scientific process in our world to answer what we have yet to

Glassware is used to measure out chemicals in a lab. Always make sure to hold the glassware in beaker tongs to avoid accidental dropping or if there are cracks and stars in the glassware it can cause an explosion and break. Other lab equipment we learn about are thermometers and glass tubing.

8. 1 g of solid KI (record the exact mass) and 3 drops of ammonium

Methodology: In this short methodology, the procedure was outlined very clearly and the equipment and software used was identified. Part of the procedure will be adapted from the lab handout the instructor gives you at the beginning of the lab session. You will also record anything you did differently, and a list of all equipment (with model and serial numbers) that you used as part of completing the experiment. Keep this in mind: someone should be able to read through this and recreate the experiment.

First and foremost, this Report shall provide a general background on the issue of Measurement. Theorists have indicated the definition of measurement, and in the case of Campbell, Measurement is:

~ The liquid measuring cup, measuring cups, and measuring spoons will be used to measure out the ingredients.

Units of Measure – units of measure, things like LBS, OZ, PCS and etc. give meaning to quantities and belong in their own separate place. While using well created and consistent units of measure it will make stock levels shipping items, and ordering things more efficient and easier to follow.