E6_2-3-10 - try to predict the outcome Write a few...

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E6: Parallel circuits Materials: batteries, battery holders, bulbs, bulb holders, switch, wires, etc… Initial definitions and givens: Parallel: wired so there is a “fork in the road”. Initial Instructions and questions: 1. Design an experiment to determine how wiring two batteries in parallel affects the amount of current in a circuit. 2. Design an experiment to address how wiring two bulbs in parallel affects the amount of current in a circuit. 3. Compare this to similar series circuits. 4. Construct a set of rules that predicts the brightness of the bulbs. 5. Try to incorporate this information in your “working model” of a circuit. Guide to notes in your lab notebook: 1. Before beginning this experiment
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Unformatted text preview: , try to predict the outcome. Write a few sentences about why you make your predictions. 2. Draw your proposed circuits. Drawings are invaluable in helping you determine whether you actually connected up the circuit you intended to make. What is the path of the current? 3. Make copious notes on exactly what you did and the outcome. 4. Can you reconcile the results with your previous investigations? 5. Discuss models of current that we have talked about and try to make up one of your own. Can you use your model to conceptualize this experiment? To predict an outcome? 6. Make a list of points you need to clarify. Discuss how you could address them experimentally ....
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