DESIGN AN EXPERIMENT: THE BIGGEST BLOWER EXPERIMENT Design an Experiment: The Biggest Blower Experiment Problem Statement: You have a pack of Hubba Bubba Bubble Gum. Does the amount of sugar in this gum affect the size of the bubble you blow?? Hypothesis: I think that sugar in any gum affects the size of the bubble you blow. I think this because I was watching “The Next Great Baker” and someone was melting sugar and when it cooled off a little he used a balloon blower to make bubbles out of
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Sometimes the data we need may not be available from internal or external sources. In such cases‚ we may have to obtain data by conducting our own survey or experiment. In a survey‚ we do not exercise any control over the factors when we collect information. For example‚ if we want to collect data on the money various families spent last month on clothes‚ we will ask each of the families included in the survey how much it spent last month on clothes. Then we will record this information. A survey
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brand of glue * The type of surface Dependent Variable: * The strength of the glue Controlled Variables: * Same amount of glue (one swipe) * Same amount of time to dry * Same person conducting experiment * Same time of day * Same amount of experiments * Same Net Weight (21g) * Same brand of surfaces * Same person timing (Jet) * Same time and place of investigation * Same length of surface Plan Aim: To see which brands of glues stick the
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Nonverbal Experiments Everyone will do Experiment #1 – A Mute Point Choose 3 additional experiments – follow the directions and have fun! 1. A mute point – We will all do this on the same day! You can not talk for one entire day. Document your frustrations‚ your “oops” moments‚ reactions from others‚ and if any new revelations came about from not speaking. Make sure you wear your sign! 2. Disregarding the Norm Go to a crowded public space. Intentionally go against the grain in some
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Length of Balloon (0.1cm) Trial: Time: Seconds (0.1cm) 30 1 2.0 30 2 2.1 30 3 1.9 30 4 2.2 30 5 1.8 mean: 2.0 Displacement (meters and centimeters) (1) Work (0.1) Power (0.1) 11 m‚ 18 cm 559 279.5 11 m‚ 32 cm 566 269.5 10 m‚ 33 cm 516.5 271.8 11 m‚ 32 cm 566 257.3 10 m‚ 32 cm 516 286.7 10 m‚ 89.4 cm 544.7 273.0 Veloctiy (m/s) Displacement/Time Acceleration (m/s/s) Velocity/Time Trial 1 11.18/2.0 = 5.59 5.59/2.0 = 2.80 Trial 2 11.32/2.1 = 5.39 5.39/2.1 = 2.57 Trial 3 10.33/1.9 = 5.43 5.43/1
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Experiment 10 - Flow Characteristics of Valves NAME: CHER SUNG KANG GROUP NUMBER: B21 EXPERIMENT NUMBER: 10 DATE OF EXPERIMENT: 28/11/2011 DATE OF REPORT SUBMISSION: 5/11/2011 MARK/20 (for demonstrator use): Introduction Aim: 1. Describe operation of various types of valves 2. Measure frictional losses due to flows through different valves 3. Identify sources of errors Background & theory: In this experiment‚ the relationship between volumetric flow rate and percentages
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amount of HCl that did not react with the calcium carbonate. Apparatus Mortar and Pestle Standard Lab Balance Hot Plates 200ml beaker Measuring cylinder (10ml‚ 100ml) Pipette Burette Conical Flask Bunsen burner Any reagents used in this experiment Eggshell NaOH 1moldm3 HCl 1moldm3 Phenolphthalein Procedure 1. Each student should obtain one egg and the necessary glassware from the side bench. 2. Break the egg into a beaker. Add water to the egg and stir before pouring down the drain
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Osmosis Lab Report The essential focus of the experiment was to acquire data for the mass change resulting from osmosis in order to determine the carbohydrate solution of the carrot cells. The carrots were a vegetable used within the experiment with a carbohydrate solution around .5 M. The hypothesis is if there are carrots in different carbohydrate solutions then there will be a percent change in mass. The carrots have large vacuoles that hold water‚ this allows the mass to increase when the hypertonic
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Prison during its bloody 1971 riot! What suspects had done was to answer a local newspaper ad calling for volunteers in a study of the psychological effects of prison life. We wanted to see what the psychological effects were of becoming a prisoner or prison guard. To do this‚ we decided to set up a simulated prison and then carefully note the effects of this institution on the behavior of all those within its walls. More than 70 applicants answered our ad and were given diagnostic interviews and
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Osmosis Trial experiment Aim: Our aim in this experiment is to find out which vegetable absorbs the most liquid over a given time due to osmosis. Chosen Apparatus: we will need to use: six test tubes; a test tube rack; an apple; a potato; a cork borer; a measuring cylinder; sugar solution; scales to measure in milligrams; a ruler; a knife; and a pair of tweezers. Apparatus Why we chose it Advantages Alternative equipment apple Its an absorbent fruit and is similar to a potato It
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