Problem How can you tell pigment separation by using Chromatography? Objective To prepare a chromatogram‚ separate pigments in a leaf and interpret the chromatogram. Hypothesis If I am to put a chromatography paper into a solvent‚ then it would separate the pigments depending on their Rf value. I think the pigments will separate in this order: Chlorophyll A‚ Chlorophyll B‚ Carotene‚ and Xanthophyll. Introduction Chlorophyll is the molecule that absorbs sunlight and uses its energy
Premium Chromatography Analytical chemistry Silica gel
read about many scholars and their thoughts on the schooling system. Our first author we read about was Rebecca Cox‚ a professor who thinks not only schooling should be improved but our entire political system as well‚ and her book The College Fear Factor explains exactly that. The second author discussed was Hsun Tzu who thinks that the goal of education should be to make a person who is truly consistent‚ but says that this takes time and comes with the experience of truly learning rather than relying
Premium Education Teacher School
Hypothesis Testing Hypothesis Testing In today’s world of statistical research there is a multitude of ways to make new discoveries and formulate new ideas; one way to accomplish this is for researchers to have inquiring minds that need to have their questions answered. To do this they must develop their hypothesis. Then researchers can develop a verbal and numerical hypothesis in which they will be able to test this hypothesis. In patients with Attention Deficit Hyperactivity Disorder (ADHD)
Premium Attention-deficit hyperactivity disorder Nutrition Type I and type II errors
HYPOTHESIS QUESTIONAIRE I am conducting an investigation on child’s age in relation to their shoe size‚for a maths project .Would you mind taking part ? Yes No. Could you tell me the age of your child/children. Could you give me their shoe size “how often do you buy shoes for your child./children” 3‚months‚6 months‚12 months. “Do you tend to buy : The same size in the past year‚ Buy a bigger size. “Do you get your child’s feet measured at a regular
Premium Arithmetic mean Mode Shoe
look at the cards”. Discuss. Warren Buffet‚ New York Times Magazine. AUTHOR: CHARLES EKWE RUO “In an efficient market‚ security (example shares) prices rationally reflect available information” (Arnold 2005‚ p.684). The efficient market hypothesis (EMH) refers to share price movement with respect to available information and thus no trader will be presented with an opportunity of making supernormal profits (except by chance)‚ therefore their profits on a share will reflect the riskiness
Premium Stock market Fundamental analysis
example‚ researchers may want to better understand the difference in pain scale results among subjects with a diagnosis of moderate traumatic brain injury. In this case the research objective would cause researchers to take steps to conduct scientific analysis to determine the variations in pain experienced between a group of individuals without a diagnosis of TBI and a group of individuals with TBI. The research objective is to determine if there is a difference in perceived pain levels among patients
Premium Scientific method Research Hypothesis
Hypothesis Chapter 1: This chapter briefly states about the disappearance of Kathy‚ and what she could have been thinking of when in her “dreamtime” phase. It also briefly outlines possible roads she could have taken‚ let it be with another man or simply just fed up of her own life with John. This hypothesises demonstrates how profoundly hurt she was by politics and Johns selfish ways. Hypothesis Chapter 2: In this chapter the truth about John in Vietnam has come out‚ and Kathy is wondering
Premium
Weapons Hypothesis (NWH) suggests that invasive plant species can potentially out-compete native species due to their allelopathic (phototoxic and/or antimicrobial) chemicals. This use of “novel weapons” is usually thought of as a form of competition due to its potential to degrade the metabolism of neighboring plant species. Because native plants have not previously encountered the toxins released from the invasive allelopathic species‚ they have no evolved defences. The Novel Weapons Hypothesis has
Premium Life Organism Invasive species
AQUA-MARIE Solar System Nebular Hypothesis. According to the nebular hypothesis‚ these clouds collapsed from some kind of turbulence that caused it to heat up and eventually turn into a star. My understanding of the origin and evolution of the solar system is still very limited. Development is made by pushing through the scientific process of hypothesis‚ prediction‚ measurement‚ theory‚ and hypothesis. However‚ there is still a lot of guesswork to be tested before we can really talk about
Premium Sun Solar System Mars
materials using Dische diphenylamine. This particular experiment could be very useful to scientists as a similar procedure could help identify genetic diseases and could also aid in finding cures for those genetic diseases. Based on assumption our hypothesis was formed and it was believed that the banana would yield the most DNA after undergoing our test. We came to this assumption from the idea that the banana was denser than the other samples‚ and would
Premium DNA Genetics Gene