Lesson 3 : Engineer

Time Required: 170-175 minutes

Design and build a solution that will safely deliver supplies to a disaster relief area, using their knowledge of gravity and air resistance.

5-PS2-1

Support an argument that the gravitational force exerted by Earth on objects is directed down. [Clarification Statement: “Down” is a local description of the direction that points toward the center of the spherical Earth.] [Assessment Boundary: Assessment does not include mathematical representation of gravitational force.]