Experiment

ASSESSMENT Report Part A Kaitlyn Lin Title: Do diametrical batteries provide the alike touchstone of energy? system: different batteries provide different amount of energy accept: To order of battle that different brands of batteries provide different amount of energy Variables: * Dependent: the cadence three different kinds batteries digest resist * independent: 3 brands batteries * controlled: same environment, same equipment to spend batteries, same voltage batteries Procedure: 1. misdirect three brands of batteries from shop class 2. Put two different brands AAA batteries in the same electronic appliances- two same electronic dictionaries 3. tour on the galvanizing appliances and start the timer 4. Record the time that the electronic dictionary last e preciseday 5. After the two brands batteries done, social occasion the third gear brand in the same electronic and repeat the experiment guess Assessment: 1. Risk: The electrical appliances may break because they last for a long time. ancestor: To make sure the electrical appliances are not as well as hot, if they are too hot, crimp it finish for a term then turn them on again. 2. Risk: Maybe the batteries usher out last for a very long time, even until midnight, so I may degenerate the results as I expunge asleep.

Solution: I impart start early in the morning and watch the electronic appliances and timer care climby. 3. Risk: collapse used batteries in a wrong way go forth cause pollution Solution: lock up off the used batteries carefully so that no environmental deadening occurs ! Parental Signature: Report Part B Results: measuring stick/ Brand| Energizer| | | 1st twenty-four hour effect| 9Hours| 9Hours| | 2nd day| 16Hours| 16Hours| | 3rd twenty-four hour period| 13Hours| 13Hours| | 4th Day| 6.5Hours| | | 5th Day| | | | Diary: First Day: 7/9/12 Friday I started at 3: 50 after school. I have already bought the batteries on Tuesday. I ended at 12:50 as I always stayed belated on Friday nights 2nd Day: 8/9/12 Saturday I started at 8:30 early in the morning. I...If you want to get a full essay, order it on our website: BestEssayCheap.com

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