Metric Measurement Lab. Unformatted text preview: Lab Report Page 1 BioLab3 Lab Report 1 Measurement Student Name Jasmine Goins I Length Measurement EXERCISE 1 Measuring length using the meter A dime and a meter stick have been used to determine the following How thick is one dime 1 mm 10 mm How thick would a stack of one hundred dimes be 100 mm How thick would a stack of one thousand dimes be 1000 mm … The table below shows the standard unit of length, mass, volume, and temperature in the metric system. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. Procedure: Measure and record in Table 1 the dimensions (in cm) of several wood blocks. Measurement uncertainty: every measuring device has a range in which the measurements are accurate. 7) Which unit of measurement (kilometer, meter, centimeter, millimeter, micrometer, or nanometer) would be most appropriate for measuring the width of this room? 2. A meter was originally specified as 1/10,000,000 of the distance from the North Pole to the equator. NOTE: This lab worksheet was based on a gummy bear lab available online; however, the website with the original lab is no longer available. The units are named using these prefixes: The table below shows how meters are related to five other measures of length. The photograph below shows the end of a meter stick. When converting smaller units to larger units, the decimal point is moved to the left. Metric to English: 1 g = 0.0352739 ounces = 0.0022046 pounds, English to Metric: 1 ounce = 28.34951 grams; 1 pound = 453.5924 grams. about sources of measurement error, how to identify and avoid them. Quickly memorize the terms, phrases and much more. When converting a large unit such as meters to a smaller unit such as millimeters, the decimal point is moved to the right. The temperature in Fahrenheit can be converted to Celsius using the formula: For example, to convert 60° F to ° C, subtract 32 (=28), multiply it by 5 (=140) and divide it by 9 (=15.56). Metric conversions are done by moving the decimal point. The gram (g) is exactly equal to 1/1000 of the mass of the kilogram (10−3 kg). Thermometer. 2. Measurements provide the information that is the basis of most of the hypotheses that describe the behavior of matter and energy. The exponent for cm is -2. Legal. Exponents are useful when writing numbers that are very large or very small. In Table 1.3 you can find the whole list of SI Units. ** Assessment: Download the scientific measurement lab, created by Jason Howe, 7th and 8th grade science teacher at Cohen Middle School, Elmira Heights, NY. Choose standard lab thermometers for traditional measurement. Record your measurement in 4) millimeters, 5) centimeters, and 6) meters. We also use fractions or multiples of units in the SI system, but these fractions or multiples are always powers of 10. Therefore, to convert 2.6 cm to um, you must move the decimal point 4 places to the right. Biology Lab Measurement 1 Instructions for Lab Read the entire lab … Introduction: The purpose of this exercise is to practice using the metric system. 37) Measure and record the temperature of the air in the laboratory room. For some experiments, you may need a calculator. Book, coin. Not only will this be confusing to the medical professional giving the dose, but the consequences can be dire: 100 mg given three times per day can be effective as an anticonvulsant, but a single dose of 100 g is more than 10 times the lethal amount. Lab #1 Topic: Classification Aim: To classify organisms into groups Apparatus: Method: A list of 10 organisms in my school environment was made and observed. Here is a link to an excellent one provided by Web2.0calc. Convert the measurements from meters to centimeters and then to millimeters. At your lab table you should have a glass bottle, a small plastic cup, and a test tube.Find and record their volumes in the table below. Chem, Biology, physiology, microbiology. Measurements provide the information that is the basis of most of the hypotheses that describe the behavior of matter and energy. Notice in the table above that one milliliter (ml) equals one cubic centimeter (1 ml = 1 cc or cm3). Realistic lab experience that allows students to perform experiments. Search for: Metric System Conversions. Place a penny in the beaker to obtain its mass. Lab. Measure the width of a standard 8.5 × 11 inch page using a small plastic ruler or a meter stick. Identify the standard units of the metric system and make conversions among units. The number 0.4382251 rounded to the nearest 0.001 is 0.438. The abbreviation cc (for cubic centimeter) is often used by health professionals. Larger unit - move decimal point to the left to make a smaller number, Smaller unit - move decimal point to the right to make a larger number, This problem is solved by subtracting the exponents. 2015 Biology 110 Laboratory Manual – page 59 Activity # 4. 57 cm = 0.0057. Materials: metric rulers, wood blocks, lab notebook, and Biology textbook. You may be working with glass or … For some experiments, you may need a calculator. Click Start, Programs, Accessories, Calculator). Identify common laboratory tools that measure temperature, volume, and mass. One kilogram is about 2.2 pounds. You must first zero the scale before weighing the penny. You will need a small graduated cylinder (25 … Continue reading "Metric Measurement Lab" Units, such as liters, pounds, and centimeters, are standards of comparison for measurements. A researcher may randomly sample on the higher end or lower end of the measurement range, which would decrease precision. In the biology laboratory, liquid volume is usually measured in milliliters, using an appropriately sized graduated cylinder. DHOULE@BIO.FSU.EDU Measurement--the assignment of numbers to attributes of the natural world--is central to all scientific inference. A kilogram was originally defined as the mass of a liter of water (a cube of water with an edge length of exactly 0.1 meter). 35) 2.3 quarts = _____ liters Round your answer to the nearest 0.01 liter. Be accurate and careful in this section! 1. A graduated cylinder can be used to measure the volume of a liquid. For example, a length of 1000 meters is also called a kilometer because the prefix kilo means “one thousand,” which in scientific notation is 103 (1 kilometer = 1000 m = 103 m). The three flow meters involved in the experiment are Orifice flow meter, Magnetic flow meter, and Coriolis flow meter. The steps listed above are performed in reverse order to convert Celsius to Fahrenheit. (Note- If you do not have a calculator, use the one on the computer. Table 1.3. International System of Units. Measurement Lab. Write all of the zeros. Glassware: graduated cylinders, beaker. Record your measurements to the nearest hundredth of a meter in Data Table 1. In most cases, it is simplest to copy the experiment into a word processing program, and then print it out. Figure 1. Round your answer to the nearest 0.1. The system of units used in science is called the International System of Units (SI units). Normal talking during the actual lab. Suppose a doctor prescribes phenobarbital to control a patient’s seizures and states a dosage of “100” without specifying units. Measurement and meaning in biology. The standard unit of mass in the SI system is the kilogram (kg). One meter = 100 cm. Interactives for Biological Sciences and Scientific Process. The standard SI unit of volume is liter (L). Biology I Laboratory Manual. are shown (not actual size), as well as comparisons of 2.54 cm and 1 in., and of 1 m and 1.094 yd. You must subtract the exponents in order to determine how many places to move the decimal point. One special kind of measurement variable is a circular variable. Measure using metric system units. Creating Your Title Page 1 Create a title that is brief but concise. Part A – Determination of pH using Acid-Base Indicators; Part B – Using pH Meters; Part C – Using pH to Determine the Value of \(K_{a}\) for Acetic Acid, \(\ce{CH3COOH}\) (aq) Part D – Using a pH Titration to Determine the Value of Ka for an Unknown Acid; Part E – Buffer Solutions Celsius (°C): unit of temperature; water freezes at 0 °C and boils at 100 °C on this scale, kilogram (kg): standard SI unit of mass; 1 kg = approximately 2.2 pounds, length: measure of one dimension of an object, liter (L): (also, cubic decimeter) unit of volume; 1 L = 1,000 cm3, meter (m): standard metric and SI unit of length; 1 m = approximately 1.094 yards, milliliter (mL): 1/1,000 of a liter; equal to 1 cm3, SI units (International System of Units): standards fixed by international agreement in the International System of Units, unit: standard of comparison for measurements. Lab paper . Cram.com makes it easy to … Experiment 1: Measurement and Precision EXPERIMENT 1: MEASUREMENT AND PRECISION Objective: To determine the value of from the ratio of the circumference to the diameter of a circle. Help. Lab. Start studying Lab # 1: Measurements in Biology. Table 2.2: Container Measured volume Activity. For example, a second way to write the number 1,000 is 1 × 103. We usually report the results of scientific measurements in SI units, an updated version of the metric system, using the units listed in Table 1. Objectives: You will learn to make measurements using the metric system. In science, the units of measurement are based on a form of the metric system called the International System of Units (SI). Length Measurement EXERCISE 1 Measuring length using Scientific Measurement of Length The 90 cm mark can be seen in the center of the photograph. Theory: Molecular Biology. This lab uses two different sizes of dialysis tubing to represent cellular and organelle membranes. Ice cream is sold in quarts (a familiar, non-SI base unit), pints (0.5 quart), or gallons (4 quarts). 2. Place a small beaker on the pan of the scale and zero it by pressing down on the zero (tare) button located on the front of the scale. Be Careful. 20) 8.53 inches = _____ m Round your answer to the nearest 0.001 m. 21) 12 feet, 3 inches = _____ m Round your answer to the nearest 0.01 m. [Hint: First, convert 12 ft. 3 inches to feet. Lab 1 : Orientation The most common circular variables in biology are time of day, time of year, and compass direction. The number 0.4382251 rounded to the nearest 0.0001 is 0.4382. Lab Report - Page 1 BioLab 3 Lab Report 1 Measurement I. There are many different measurement systems you can use to analyze objects in a laboratory, and this test/worksheet combo will help you test your understanding of the metric system. Read to nearest mm and estimate to 0.1 mm (Your measurements should have 2 decimal places!) Unfortunately, these units were somewhat arbitrary. The … In this lab, you will examine the structure of the heart, explore the blood types as well as the RH factor, and measure blood pressure as well as pulse rate. The initial units of the metric system, which eventually evolved into the SI system, were established in France during the French Revolution. To review using significant digits. ... You need to write about the measurement methods and techniques, indicate all sizes, quantify things, etc. These have the property that the highest value and the lowest value are right next to each other; often, the zero point is completely arbitrary. It is now defined by a certain cylinder of platinum-iridium alloy, which is kept in France (Figure 2). The meat used to prepare a 0.25-pound hamburger is measured so it weighs one-fourth as much as 1 pound. Missed the LibreFest? Options for Virtual Labs and Simulations for Laboratory-Based Courses. Here you will find learning games, review games, virtual labs and quizzes that will help you to learn … Subtract the two numbers: (-2 - (-6) = 4). To conduct a scientific Activity of the enzyme, catalase [which catalyzes the reaction 2H2O2(l) → 2H2O(l) + O2(g)], is … This replica prototype kilogram is housed at the National Institute of Standards and Technology (NIST) in Maryland. Record these measurements in Data Table 1. Length and Area. We count calories for a diet, stores measure the percentage of tax on our purchases, and our doctors measure important physiological indicators, like heart rate and blood pressure. Lab 7: Respiratory Systems Breathing is an involuntary event. The number 0.4382251 rounded to the nearest 0.01 is 0.44. A cubic centimeter is also called a milliliter (mL) and is 1/1000 of a liter. For example the number 1,930,000,000,000,000,000 is easier to write as 1.93 × 1018. 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