affects pea plants. The purpose of this is to see how much the growth of the plant is affected by sunlight. Many years ago the scientist Charles Darwin discovered what today we called phototropism. I intend to create my own small experiment except this time I will be using artificial light instead of natural light (the sun). The definition of tropism is "a growth movement whose direction is determined by the direction from which the stimulus strikes the plant" and "photo" means relating to light. There
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The effect of light quantity on photosynthesis of green land plants Introduction Photosynthesis is the process of converting light energy into chemical energy (Hoober 1984). Pigments within chloroplasts‚ primarily chlorophyll‚ absorb the incoming solar energy which excites their electrons (Hoober 1984). These pigments exist in photosystems in the thylakoid membrane of the chloroplast (Ladiges et al.2010). As the electrons return to ground level‚ they are captured by the electron acceptor in the
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Why did plants exposed to no light grow better than the plants exposed to light? The plants exposed to no light performed better than those exposed to light is most likely caused by the plants exposed to no light having more water than those in light. Even though the amount and frequency of water added to all plants were kept the same‚ the amount of water the plants in no light had access to was more than the amount of water the plants in light had. This is due to two reasons: a) because the plants
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out if the color of light a plant receives‚ affects the plant growth. Light is electromagnetic radiation that comes in waves‚ the basic units of which are called photons. Plants use light to turn carbon dioxide into sugars necessary for growth‚ a process called photosynthesis. Sunlight is a full spectrum of different wave lengths of light. Seen through a prism‚ this spectrum turns into bands of color: red‚ orange‚ yellow‚ green‚ blue‚ indigo and violet. (Stern‚ 2004). The light of the sun is white
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THE EFFECTS OF MOUTHWASH ON PEA SEEDS GERMINATION ANITA ASARE PERIOD 1 MR. SORANNO ANITA ASARE PERIOD 1 MR. SORANNO Purpose: The purpose of the pea seeds germination lab is to determine whether pea seeds will sprout with the absence of a complete water solution and replaced by Listerine Mouthwash. Water is the most basic and useful‚ natural resources for all living things. Water is extremely responsible for carrying all life functions within
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composed to show the effects that different colors of light have on plant growth. We separated our plants into different boxes and then covered the openings with colored cellophane. We conducted this experiment for approximately two weeks. Out of the colors blue‚ green‚ red‚ and yellow‚ the plant behind the blue cellophane grew the most. Research Problem What effects does different color light have on plant growth? Hypothesis The plants will grow taller under the red and blue light opposed to the
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May 2012 The Effect of Light on Snapdragon Flowers Introduction: It is a well-known fact that plants need light for nourishment‚ yet many people are ignorant of the reasons behind this. The biological process by which green plants utilize carbon dioxide‚ water and sunlight to form their own food is called photosynthesis (unknown). Past research has demonstrated that red and blue rays maximize this process (Rothenburger‚ 1993). The purpose of this experiment was to examine the effect of several different
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The factors affecting plant yield: light level Abstract The factors affecting Zea mays‚ maize (C4) and Pisum sativa‚ or pea (C3) plant yield and growth patterns placed under shade and full sunlight were investigated. 20 plantlets placed into four vermiculite compost pots (5 from each plantlet) and submitted to fertilizer or no fertilizer. And after 4 weeks the results showed that maize grown in light with no fertilizer had a higher relative growth rate and root to shoot ratio indicating the allocation
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h e Greenhouse: Effects on R e l a t i v e G r o w t h Rate‚ Net A s s i m i l a t i o n Rate and L e a f Area Ratio G.T. BRUGGINK and E. HEUVELINK Department of Horticulture‚ Agricultural University‚ P.O. Box 30‚ 6700 AA Wageningen (The Netherlands) Publication No. 526 (Accepted for publication 22 October 1986 ) ASR C BT A T Bruggink‚ G.T. and Heuvelink‚ E.‚ 1987. Influence of light on the growth of young tomato‚ cucumber and sweet pepper plants in the greenhouse: effects on relative growth
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The Effect of Water on Germination and Plant Growth in Marigolds Question: How does the amount of water given to a plant affect how much it grows? Hypothesis: If I give water to a marigold seed then it will germinate and the plant will grow more than a seed not given water. Independent Variable (IV): the amount of water given a seed/plant Dependent Variable (DV): the amount of plant growth Control Group: The group of plants given water Experimental Group: The group of plants given no water
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