A 60-minute lesson in which students will create a set of balance scales for measuring and comparing the masses of objects.
Common Core Curriculum alignment
Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.
Directly compare two objects with a measurable attribute in common, to see which object has "more of"/"less of" the attribute, and describe the difference. For example, directly compare the heights of two children and describe one child as taller/sho...