Hypothesis (Null): There will be no effect upon different distance intensities of light on the terrestrial isopods. IV: The different distance intensities of light at specified lengths (1 meter‚ 2 meter‚ and 3 meters) DV: The number of terrestrial isopods (rolypolies) on the unlighted side on the petri dish. Control: The unlighted side of the opened up petri dish. Purpose: To determine the light sensitivity of terrestrial isopods (rolypolies) in different levels of lighted environment. Number
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Determining absorbance of various wavelengths of light for pigments present in Coleus plants Joseph Yung (King Yung) 212831426 Adrian Ionescu Section M 11 February 5‚ 2014 Absorbance Table Absorbance Spectra Figure 1: Absorption spectra of pigments found‚ through chromatography‚ within Coleus plants. The different wavelengths of light were determined by the use of a spectrophotometer Questions
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because blue light has a higher absorbance by plant photosynthetic pigments and has a higher energy wavelength than red light‚ we predicted that juniper needles placed in blue light would photosynthesize faster than juniper needles placed in red light. We measured the rate of change in CO2 concentration due to juniper needles. For each sample‚ we placed the needles into a chamber connected to the CO2 monitor and measured the rate of change of CO2 concentration for 10 minutes under red light and then
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An Increase in Light Intensity Increases the Rate of Respiration M. Chauntise‚ S. Shaika‚ R. Shantal INTRODUCTION The sun plays a vital role in sustaining an entire living world whether indirectly or directy using a transformation process called photosynthesis. This process assists in nourishing plants and keeping them alive. For example‚ trees grow very tall in the rainforest where there is an abundance of water in order to reach as much light as they can. For this reason‚ in order to survive the
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Experiment 7: Velocity of Sound Laboratory Report Hazel Guerrero‚ Kyle Iddoba‚ Matthew Jocson‚ Thea Lagman Department of Biological Sciences College of Science‚ University of Santo Tomas Espanya‚ Manila Philippines Abstract Verification of the relationship between frequency of sound and its wavelength and the determination of the velocity and the speed of sound in different mediums was the main focus of this experiment. The speed of sound and its velocity was determined using the resonance
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HYPOTHESIS Using train conductors as representatives for all of human kind we can postulate with some accuracy the percent of the population of Earth that are complete and total assholes. If you have ever lived in a small town with train tracks running through it you will know that the conductor of the train is required to sound the whistle at every crossing. This is a 4-part whistle; 2 long‚ 1 short‚ 1 long. My hypothesis is that we can calculate what percentage of the population of planet Earth
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Photosynthesis Green plants absorb light energy using chlorophyll in their leaves. They use it to react carbon dioxide with water to make a sugar called glucose. The glucose is used in respiration‚ or converted into starch and stored. Oxygen is produced as a by-product. This process is called photosynthesis. Temperature‚ carbon dioxide concentration and light intensity are factors that can limit the rate of photosynthesis. Photosynthesis summary Photosynthesis [photosynthesis: The chemical change
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September 9‚ 2013 Learning parts and proper use of microscope‚ and the interception of images viewed through a light microscope Abstract: A compound light microscope uses two sets of lenses‚ ocular and objective‚ and employs light as its source of illumination. Through careful observation‚ we identified the various parts of a light microscope we found that the light microscope Ocular lenses which give 10x magnification power‚ and objective lenses which consist of three objectives: scanning
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of Light Wavelength on the Rate of Photosynthesis Method Take a 250cm3 beaker and fill it with distilled water. Use distilled water so there are no impurities to disrupt photosynthesis. Then take x cm’s of elodia and put it in the beaker. Cover the elodia with the large end of a funnel and the tip of the funnel cover with a test tube. Then direct a light onto this experiment. Measure the amount of bubbles that come from the elodia for x minutes. A prediction for this experiment would
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Photosynthesis and Cellular Respiration Nina R. McCray May 5‚ 2015 Biology Lab (SCIE207-1502-A-07) LaDonna McCowan-Ferrier Photosynthesis and Cellular Respiration Lab Report Introduction This is an investigation of the effect of the intensity of light (photosynthesis) have on the rate of cellular respiration (measured as the number of oxygen bubbles). We will determine whether or not it is possible to examine the relationship between photosynthesis and cellular respiration under controlled
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