Flvs Chemistry 1.03

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Katherine wants to investigate if the time of day a plant is watered affects the growth of the plant. She hypothesizes that a plant watered in the morning will grow faster than a plant watered at other times of the day. 1. Identify the specific independent and dependent variables that will be involved in an experiment to test this hypothesis. The independent variable would be the time a day the plants are watered .The dependent variable would be the difference in the grow rate of the plant. 2. List at least five variables that should be controlled during the experiment. For each variable identified, give a specific suggestion for how it can be controlled during the experiment. 1. amount of water 2.amount of sunlight 3.type of plant 4.kind of soil 5.the pot All of these can affect or make a difference in the results of the experiment. PART 2 PURPOSE:My fellow peers and I are trying to find out Can music affect how well we concentrate and does the genre matter? The students at school at complaining because we can’t listen to music in class. Most students claim they can concentrate better with music. RESEARCH:I would do research on the way our brain concentrates ,surveys of people’s opinion, other scientist results. http://www.scientificamerican.com/article/ask-the-brains-background-noise/ http://www.education.com/question/background-noise-affect-concentrate/ HYPOTHESIS: 1.I hypothesizes that music will have no affect upon the level of concentration. 2.I hypothesize that depending on the type of music you will have different results. EXPERIMENT: Randomly assign each person to a type of music so that you have the same number of people listening to each type. Allow each person the same amount of time to complete a task. In the experiment, give each person headphones plugged into the source of music, play the music and time them as they

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