Time to propose an experiment!

 Look at the list of variables that we think might affect the voltage our little solar panels can produce. 

Choose one that you think would be interesting to test. This variable becomes your Independent Variable, the one we change on purpose to see how much it changes our data. 

Draw a clear diagram (labels!) that would show how you would set up the equipment to run a fair test. This diagram can serve as a materials list too, so we know what things we need to get from the store room or from home. 

Also think about which variables we'd have to work to control so that they don' t change the voltage while we are testing your Independent Variable. What do we have to do the same way every time so the test is fair?

Voltage Variables!

 In the next few weeks we will be trsting some variables that affect how much voltage our Mini Solar Panels and Mini Wind Turbines can produce. You job is to come into the discussion next week with a list of variables that we could test (or control) to learn more about what things affect the electrical output of our Panels and Turbines. 

Here are the notes we set up in our journal in case you forgot yours at home: