Description Students examine and compare small and medium sized flashlights. Fourth graders study the flashlights . As a result of this investigation students should realize that two dry cells are parts of a flashlight system. If the battery appears to be damaged, do not touch, notify teacher immediately. Formative Assessment 2.
Student groups create a comparison chart for the two flashlights.
Charts should clearly explain the likenesses and differences of the flashlight parts. Also discovered is the fact that removing or reversing one of the batteries in the medium flashlight causes the system not to work. A student reporter from each group will present a short summary of their chart to the class. Have students work in groups to refine their charts if there is lack of agreement. A short summary of the group's chart.