Grade: 4 - Engineering 3

4.E.3
Construct and perform fair investigations in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved.

I Can Statements Academic Vocabulary
* I can construct and carry out a fair investigation which includes controlled variables.
* I can construct and carry out a fair investigation in which failure points are considered.
* I can use failure points from an investigation to identify aspects of a model or prototype that can be improved.

Variable
Control
Model
Prototype
Engineering Design Process

Cross Cutting Concepts
Structure and Function
Cause and Effect
Looking Back Looking Ahead
* Analyze data from the investigation of two objects constructed to solve the same problem to compare the strengths and weaknesses of how each performs. (K-2.E.3) * 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)