# 8.7: Student Assessment

Difficulty Level: At Grade Created by: CK-12

The learning objectives listed at the beginning of this lesson plan are bulleted below, followed in italicized print by the method by which each will be evaluated:

• Students will use the iterative engineering design process to solve a problem.

Students will be graded on the thoroughness of the "Engineering Design Brainstorming Worksheet" and the engineering journal they maintain during the EXPLORE phase.

• Students will apply Newton’s laws of motion to the launch of a model rocket.
• Students will use and/or create a computer simulation that describes the motion of a model rocket; the simulation will use a spreadsheet and numerical techniques to show solutions for a second-order differential equation.

During the ELABORATE phase, students will be evaluated on the process they used to calculate their drag coefficient. Points will be awarded for demonstrating an understanding of the derivation of the Newton’s Second Law equation, using the correct process to calculate their rocket’s drag coefficient, and for the ability to articulate the process used to arrive at that answer.

In the EVALUATE phase, students will again be evaluated on these two objectives based on accuracy and on articulating their process.

• Students will use algebra and trigonometry to solve a problem.

In the EXPLORE, EXPLAIN, ELABORATE and EVALUATE phases, students will demonstrate basic use of trigonometry to calculate the maximum height their rocket travels. Algebra skills will be assessed when students articulate the process they used to arrive at their answer in the ELABORATE phase.

• Students will evaluate the errors associated with the use of simulations to solve complex problems.

Students will complete an error analysis of their EVALUATE phase, in which they will discuss the errors inherent in the process and how those errors might affect their results.

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