Essays Tagged: "lab experiment"

The effects of tetracycline on chick embryos

om PinardBryan DumanskiMike HaleDean TowerHeather MammonJoe HullJuly 15, 1996AbstractOur Embryology lab experiment was performed to observe the effects of tetracycline onthe development in chicken emb ...

(3 pages) 44 0 3.4 Dec/1996

Subjects: Science Essays > Biology

Decomposition of Organic Material.

Decomposition Lab Experiment"Wasting Away"Decomposition of Organic MaterialABSTRACT:For a period of eight weeks, a ... banana peel, some bread, and some soil. The initial weight of each bag was 30.45 grams. One bag was labeled as control subject A, the second bag was labeled as subject B. For the next eight weeks, con ... ms of banana peel in each bag, 6 grams of bread in each bag, and 15.45 grams of soil in each bag. I labeled each bag with a sticker, one bag was labeled control A, and the other bag was labeled subjec ...

(4 pages) 36 0 3.0 Apr/2003

Subjects: Science Essays > Biology

Observing Emulsification and Comparing the Actions of Saliva and Pepsin: Lab report describing how emulsification may be observed in the lab

IntroductionAim: The objectives of this lab experiment are to observe the process of emulsification and to compare the actions of pepsin and ... oduct should turn out to be small droplets of the fat.Materials & ProcedureMaterials:1. lab-coat2. 9 test tubes3. test-tube rack4. beaker5. dropper6. ... utter)Procedure:Comparing the actions of saliva and pepsin-1. Obtain four large test tubes. Label them A to D, respectively.2. Collect some saliva (amylase solution) in a test tube.3. ...

(7 pages) 43 0 5.0 May/2004

Subjects: Science Essays > Biology

Scientific Method

Scientific MethodThe key to a successful and safe lab experiment is following the steps of the scientific method.The first step in the scientific meth ... p.Formulating a hypothesis has importance because it emphasizes on how you think the outcome of the lab will be. There are five things to keep in mind when formulating a hypothesis. Organizing and ana ... els, predicting and communicating are all important during this step. Talk about the results of the lab testing and thoroughly examine the hypothesis as compared to the results.After communicating tho ...

(1 pages) 106 0 2.0 Jan/2005

Subjects: Science Essays

Experiment on the Decomposition of a Carbonate

AIM: To carry out a lab experiment to decompose a carbonate using heat, also to carry out appropriate tests for the form ... heating, remove the test tube containing, lime waterSAFETY PROCEDURES:* wear safety glasses* wear a lab coat* use the wooden peg when handling the test tubesRESULTS:* CuCO3 turned black when heated* W ...

(2 pages) 17 0 0.0 Mar/2006

Subjects: Science Essays > Chemistry


Purpose:In this lab experiment the mixtures of organic compounds are separated using liquid chromatography. TLC sepa ... ining solvent by passing compressed air or nitrogen over the beaker for several minutes. Set up and label5 TLC plates, one for each of the different solvents being tested: CO2 C12. See figure two for ... scussion:Thin layer chromatography is one of the most versatile and rapid separation techniques available. In TLC the separation takes place on a thin layer of solid stationary phase spread on a solid ...

(4 pages) 33 0 4.8 Feb/2007

Subjects: Science Essays > Chemistry

LAb Report: Striking It Rich

Lab Report Purpose: The purpose of this lab experiment was to learn about the different dens ... his. After we gather the data, it'll be used to determine the metal used.Hypothesis: In the lab, I expect that the pennies before 1982 would be heavier than those that are after 1983 because t ...

(3 pages) 10 0 0.0 Jul/2001

Subjects: Science Essays > Chemistry

Microbiology lab report on Escherichia coli and Staphylococcus aureus.

Microbiology Lab ReportPractica #1BTC307LAmber AmelingmeierThursday, September 18, 2008OBJECTIVESIn this lab expe ...

(3 pages) 87 0 5.0 Sep/2008

Subjects: Science Essays > Microbiology

Hess's Law

r, a spoon, measuring glass (200 cm3), and a regular glass container. The chemicals needed for this lab are: Sodium hydroxide in tablet-form, 0.5 moles of NaOH and HCl, and an additional 0.25 moles of ... ydroxide in tablet-form, 0.5 moles of NaOH and HCl, and an additional 0.25 moles of HCl.During this lab, safety glasses and aprons must be worn at all times to prevent accidents. Avoid contact with sk ...

(4 pages) 2135 0 0.0 Sep/2008

Subjects: Science Essays > Chemistry

What is the effect of Cold when applied to skin to heart rate?

How does Exposure to Cold Effect Heart Rate?Abstract: The purpose of this lab experiment was to see how heart rate reacted to exposure to cold. First we took a normal heart r ... rt rate will drop.Materials and Methods:-Ice-Bag-Computer with Vernaier Logger Pro Software-Vernair LabQuest mini with USB cable-Vernair heart rate hand-grip monitor-Towel-Lab JournalResults: The resu ... . Activity 2.3.2: What Is Blood Pressure? , pg.3Project Lead The Way, (2010). How to Write a Formal Laboratory Report, pg.1-3Varnada Karriem-Norwood, MD, (2012, October). What is Hypothermia?. WebMD. ...

(2 pages) 0 0 0.0 Nov/2012

Subjects: Science Essays > Biology

Air communication and Navigation

ellip;…………………………….14-15Lab Experiment…………………………&helli ... f receivers which are now commonly used today in the aviation industry. Shows information about the lab experiment of modulation and demodulation with the study of amplitude modulation using balance m ...

(10 pages) 1 0 0.0 Dec/2012

Subjects: Science Essays > Technology