Battery Power Unit Study and Meeting Plan
This unit study to learn about Battery Power introduces kids to how batteries work, why they matter, and how to use them safely and responsibly. Along the way, they''ll explore
Be sure to label the experiment items, such as the galvanized nails as having zinc in them. It may be helpful to guide the students back to the idea of the lead-acid battery and to remind them of what types of materials are the best conductors of electricity. A brief tutorial on how to use a multimeter may be necessary.
It is also important for students to understand that a battery consists of a cathode, an anode, and an electrolyte. Elaborate: Now that the students understand that a chemical reaction takes place in a battery, which enables electrons to move and cause an electric current, it is time for them to experiment.
Careful attention should be paid to the battery components, lead and sulfuric acid, and the chemical equations used to describe the process. The reaction that takes place between the acid and the metal should also be emphasized and can be explained using information from the Acids and Metals website.
Depending on your group of students, some may recognize a car battery while others may not. Keeping their background knowledge in mind can help you determine whether to use a battery with a label on it or not. Examples: Provide qualitative and quantitative observations about the black box. What do you think the black box is used for? Why?
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