Grade: 4 - Physical Science 3

4.PS.3
Investigate how multiple simple machines work together to perform everyday tasks.

I Can Statements Academic Vocabulary
* I can describe how multiple simple machines work together to perform a task.

Simple machine
Plane
Wedge
Inclined plane
Screw
Lever
Wheel and axle
Pulley
Complex machine

Cross Cutting Concepts
Structure and Function
Looking Back Looking Ahead
* Identify types of simple machines and their uses. Investigate and build simple machines to understand how they are used. (3.PS.2) * Develop a prototype to generate data for repeated investigations and modify a proposed object, tool, or process such that an optimal design can be achieved. (6-8.E.4)