In this week’s lab you will continue investigating linear circuits fourier analysis, scope probe frequency properties, inductors, resonant circuits, and computer simulations will be studied before coming to class complete this list of tasks. A microscope used for examining small or thinly sliced sections of objects under higher magnification that that of the stereo microscope. Measurements in the laboratory are an attempt to find the “real” value of a physical quantity two terms used in relation to measurement are: •accuracy –the nearness of the measured value to the “real” value the average of all of the measurements 2 1 1 n i i xx s n.
Lab: the metric system and measurement objectives: at the end of this lab, you should be able to: 1 identify the standard units of the metric system and make conversions among units for example: write 225 cm, not 2 ¼ cm 2 if a metric measurement is less than one, precede the decimal with a zero for example, don’t write 55 mm, write. 1 measurement statistics: color distribution in m&ms required reading dc harris, quantitative chemical analysis (9th ed, w h freeman, ny, 2016) pp 64-80data rejection and data reporting sections of the analytical lab manual this experiment will introduce the student to some of the basic statistics that will be used in the lab. Biology i: lab #2 - metric measurement and microscopy from laboratory manual to accompany biology, 12th edition laboratory 2: metric measurement and microscopy. Laboratory 2: using the pocket transit clinometer to measure elevation difference introduction the pocket transit (ie brunton compass, silva ranger, etc) contains a clinometer for make the measurement first set the clinometer angle on your pocket transit to “0 holding the.
Metric measurement lab there are 7 stations set up in the classroom each station is numbered there is a task card at each station with instructions the equipment and supplies needed for each station are already at the station to insure a safe and successful lab 1 safety first. Lab activity: measuring with metric 2 figure 22 shows the metric units and their prefixes measurements are further expressed using a “superunit” prefix or subunit prefixsuperunits contain greek prefixes to show multiples of the base unit, so they make the base unit larger. Study flashcards on biology: lab 2 metric measurement and microscopy at cramcom quickly memorize the terms, phrases and much more cramcom makes it easy to get the grade you want.
16 ch104 lab 2 measurements (f15) the volume of liquid transferred is obtained by difference (vf - vi) and it is sometimes designated as vt burets are available in a limited range of sizes the most common size is 50-ml. Lab one: laboratory techniques and measurements abstract the lab one was done on laboratory techniques and measurements the first experiment with my lab partner we got opportunity to experiment how to conduct measurements in length by using metric conversion we started in cm units and changed into mm by x10, and moving decimal point x1 to right. 1291/2 physics lab report format general remarks: writing a lab report is the only way your ta will know what you have done during the lab and how well you have understood the process and the results. Table 2 contains data collected through different means of measurement of length most of the data was as expected the meter-stick produced the least precise data, which was 1 mm.
Los angeles city college chemistry 51 fall 2007 3093 1 dr paul shin experiment 2 measurements it is necessary in science to quantify any hypothesis or theory, that is, anyone should be able to. Lab 2 : measurement and counting of cells using microscope 21 ocular micrometer introduction an ocular micrometer is a glass disk that fits in a microscope eyepiece that has a ruled scale, which is used to measure the size of magnified objects under the microscope especially in measuring and comparing the size of prokaryotic and eukaryotic. Experiment #2 – measurements, accuracy, and precision laboratory overview chem 1361 august 2012 gary s buckley, phd measurements in the laboratory are an attempt to find the “real” value the average of all of the measurements 2 1 1 n i i xx s n. Measurement & lab equipment abstract this lab reviews the concept of scientific measurement, which you will employ weekly throughout this course specifically, we will review the metric system so that you will be able to measure length, mass, volume and temperature in metric units, and convert between the.
The table above shows some examples of the most common metric and si units used in lab measurements prefixes prefix kilodecicentimillimicrosymbol k d c m µ meaning 1000 01 001 0001 0000001 the table above shows some of the most common prefixes in the metric system. Lab 2 : measurement and counting of cells using microscope posted on april 2, 2) the microscope is focused by using the lowest objective until the image on the stage micrometer is observed superimposed on the eyepiece scale 3) number of divisions of the eyepiece scale that correspond top a definite number of divisions on the. Hands-on labs sm-1 lab manual 36 experiment 2: measurement: length, mass, volume, density, & time read the entire experiment and organize time, materials, and work space before beginning.
General tips regarding volume measurements: volume is the amount of space a substance occupies the liter is the basic unit of volume various devices are used to measure the volume of liquids depending on the volume being measured and the accuracy required. M:\macvol\courses\biol 114f03\lab\lab2spec\lab2writeup03doc - 3 - it is also possible to calculate the concentration if we know the slope of the standard. Lab 2: metric measurement and microscopy the metric system •“si” metric is the standard system of measurement used in the sciences •why use metric –official system of almost every country –less confusing if scientists use the same measurement system. Introducing measurements in the laboratory objectives the objectives of this laboratory are: a) to use a metric ruler to measure the dimensions of regular geometric shapes, and to use these measurements to determine the areas of the shapes.