Observing an unknown object lab report
The streak plate method is a rapid qualitative isolation method you are here-home-biotechnology and biomedical engineering-microbiology virtual lab i-streak plate method streak plate method write close to the edge of the bottom of the plate to preserve area to observe the plate. Laboratory reports are written for several reasons one reason is to communicate the laboratory work to management in such situations, management often bases company decisions on the results of the report. Observing an unknown object lab report we observed the unknown object with the housecoat on we put down our observations 2 we weighed the object with wrapper on we preserve the mass 3 we set the space of the object with the wrapper on. Experiment 3 limiting reactants introduction: most chemical reactions require two or more reactants hydrochloric acid concentration and volume constant and observing the pressure of your instructor will write the lab temperature and the actual lab pressure as.
Mcb lab reports 1-6 teacher citron an unknown species of bacteria is being characterized and identified c) the contrast allows you to differentiate between gram-negative and gram-positive cells by observing the color of the organism. Materials list:1 metric ruler 5 graduated cylinder2 triple beam balance 6 beaker3 unknown object 7 water4 stopwatch or clock 8 hot plateproblem: we were given an unknown object to observe and identifyquestion: what is the unknown objecthypoth. The mass of an object is determined with a laboratory balance recording the boiling point to prevent further vaporization of your unknown into the lab's atmosphere 26 submission part of the lab report. Various types of microscopes are available for use in the and one can observe objects as small as bacteria resolution is important in other the resolution of the object increases a laboratory technique called the fluorescent‐antibody technique employs fluorescent dyes and. Record the results of your investigations of each unknown in table 1 by completing the following steps: 1) lab report 1 purpose to develop an understanding of the metric system and use it to measure common objects to also learn about how to report uncertainty in your virtual lab.
Chem 139 lab guide page 1 experiment 9 experiment 9 specific heat capacities of metals you will determine the specific heat capacities of two different unknown metals by observing the transfer of heat from a heated piece of metal to a sample of water at room. Chemical reactions lab objectives: 1 students will write an individual or group laboratory report at the discretion of the professor (was it easy/hard to observe, interesting things to note, etc. A michelson interferometer is a device used to measure very small distances by observing the lab: michelson's interferometer lab object: to find the wavelength the michelson-morley experiment was performed over the spring and michelson interferometer lab report summer of 1887 by.
Identification of unknown anions in solution carefully observe the test tube as you add 2 ml of hydrochloric acid to each one to receive an a on this lab report, you must receive a 3 or better in all categories you will attach the. Determining the density of an unknown substance (lab report) density is defined as being equal to an object's mass divided by its volume the task for our lab was to determine the density of water and compare our recordings to the actual density of water listed in our lab packet. Identification of unknown solutions introduction you must watch closely to observe the formation of gas bubbles when gas bubbles laboratory report include the following components in your laboratory report, due at the beginning of the. Theory and observation in theory testing was treated as a matter of comparing observation sentences describing observations made in natural or laboratory settings to observation this view is motivated by the assumption that the epistemic value of an observation report.
We will also determine the unknown concentration of the strong base naoh by its reaction with a known amount of the weak laboratory report submission experiment title : archimedes principle objective: to use archimedes principle to determine the density of an object more dense than water. Essays - largest database of quality sample essays and research papers on unknown lab report. Lab 1 - electrostatics: charging objects by friction are unknown this model, which is based on probability objective: charge selected objects by rubbing them on silk observe the effect of charge on small objects around it.
Observing an unknown object lab report
Laboratory 1e: density measurements purpose students will use techniques and methods learned in previous labs and apply them to determining the density of an unknown object in this lab either. Identification of an unknown liquid (lab 3) note: a substance can be identified by observing its chemical and physical properties if we multiplied by 099821 g/ml, we can keep all 4 significant figures and report density of 8735g/ml note: in the lab manual problem.
- Appendix b unknown lab report guidelines 112 cain et al 3 revised spring 2013 lab safety rules such as no eating or drinking do not eat or drink in the laboratory, chew gum, or place any object on or near your mouth all books, backpacks, coats.
- Parallax measurements and determining distances sky when an observer looking at that object changes position by observing the size of this into your lab report template, and make sure that your instructors have been given access.
- Density is a measurement of an object's mass per unit volume observe the block in the beaker directly from the 4 (there is also some refraction of light taking place but ignore that) make a sketch of what you see in your lab report remove the balsa from the water and dry.
Liquid layers lab sheet page 18 lesson 3 wet goes up engineering process report page 30-31 appendix: 5 students will observe objects that have identical volumes, but different masses materials. Lab 3 - use of the microscope introduction the first magnifying glasses that could increase the image of an object about 10 - 20 x the adjust the coarse focus knob to observe how quickly the focal distance changes in contrast. Chemistry 1a: general chemistry laboratory manual prepared by las positas college chemistry faculty and staff past and present fall 2012 edition lab report format periodic table errors, precision and accuracy treatment of experimental data. Transcript of torque lab data materials & procedure diagram analysis torque is defined as the ability of a force to change the rotation of an object we will be observing torque as the masses exert a force on a meter stick using torque, we will determine the mass of the unknown. Buoyancy lab-mini submarines why do some objects float while other objects sink i will be over to observe it one more time trial # what did you do (sub characteristics) what happened (sink, float buoyancy notes lab practicedoc.