solenoid experiment
Here is a list of the materials you will likely use: D battery electrical tape long nail metal wire (copper, if possible) paper clips Today you will build and test your solenoid. Tomorrow you will design and conduct your experiment. Follow the steps below to build your solenoid. Do not leave the wire connected for more than 30 seconds at a time, and do not leave your solenoid unattended. The solenoid will become hot when the wires are connected. For this reason, you should wear gloves or use a pot holder to protect your skin while you complete this experiment. Wrap the wire around the nail so that it is coiled five times around it. Tape one end of the metal wire to the + (positive) end of the battery with the electrical tape. Connect the other end of the wire to the – (negative) end of the battery with the electrical tape. Test how many paper clips you can pick up with the solenoid.Once you have successfully tested your solenoid, disconnect the wire from the battery until you are ready to conduct your experiment.
Experiment Steps Scientists use a process for experiments. Review these steps as you work on your experiment. Notice something about an event in nature. Pick something that you can’t explain. Ask a question about what you noticed. Your question should be an experimental question. An experimental question can be answered with an experiment. An experimental question asks, “How does (this thing) affect (that thing)?” Look up the event you noticed to find out more. Use your science book, conduct a safe search on the Internet, or visit your local library. Come up with a hypothesis. A hypothesis is a potential answer to your experimental question. Always provide a reason for a hypothesis. A hypothesis should not be a guess. Plan an experiment. Identify your experiment’s variables. These are things that can be changed or will change during the experiment. Think about how you will measure each variable. Think about the materials you will need. Write a step-by-step procedure. Carry out the experiment. Carefully record the measurements of your variables. These measurements are your data. Repeat measurement several times. This will tell you if your data is reliable. Reliable means that you get about the same result each time. Study the data. You might want to arrange the data in tables or graph the data. Note any patterns you find. A pattern might mean that one variable affects another variable. Draw conclusions. What did you your data tell you? Did your data support or refute your hypothesis? Maybe it was inconclusive. Write a report on your experiment. List the experimental question, hypothesis, procedure, data, and conclusions. Include any data tables or graphs you made. For this portfolio item, you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. Once you have an experimental plan, carry out your experiment and record your data after you have finished conducting the experiment, write a conclusion that explains your results.
The experiment must follow the steps of the scientific method. The final product should include the following information: research question, List of materials, hypothesis, written procedures, data table, conclusion. Develop the research question, list of materials, hypothesis and written procedures. Remember not to use personal pronouns in your report.
Your research question should: Be answered by the experiment you design; and should require more than a yes or a no answer. Your list of materials should include the following: The items you need to do your experiment;and the amount of each item. Your hypothesis should: make a prediction on what your results will be; should be written as an if, then statement; and make an educated guess based on information you have already learned about electromagnetism. Your procedures should: Be very detailed; include only one direction in each step; and be in the correct order. Your data table should: have columns and rows labeled; include appropriate units; and be organized and logical. Your conclusion should: explain if the hypothesis was correct or incorrect when compared to your results; include a summary of your results/data; explain if any errors were made and how they might have affected the results; and explain one thing you learned from doing the experiment.
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