Third Graders have begun our new unit on Electricity. For the first experiment, they had to use the materials provided to make the light bulb light. They had no idea, but through trial and error they created their first simple circuit. There were squeals of delight as each student got their bulb to light. Our next experiment was with batteries. They learned what voltage was and then had to predict which battery they thought would have the most voltage (aaa, aa, c, d) Many thought that D would have more because it was bigger. To their astonishment, all had the same voltage. This made us really start to think what voltage really means and why batteries come in different sizes! It was an excellent discussion.
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