S4P3.b Construct an argument to support the claim that gravitational force affects the motion of an object.
S4P3.c Ask questions to identify and explain the uses of simple machines (lever, pulley, wedge, inclined plane, wheel and axle, and screw) and how forces are changed when simple machines are used to complete tasks.
S4L Life Science
S4L1 Obtain, evaluate, and communicate information about the roles of organisms and the flow of energy within an ecosystem.
S4L1.a Develop a model to describe the roles of producers, consumers, and decomposers in a community.