What is inertia?
What is free fall?
What is linear motion?
In this milestone you will be creating and using models to show linear motion and how the forces interact to help you display how a system functions
1.4: I can plan and organize an investigation.
1.5: I can organize and strengthen plan.
3.1: I can create a model to represent a system.
3.2: I can use the model to communicate ideas.
3.3: I can evaluate and refine models.