iRubric: Mr. Bell Water Bottle Rocket Project Scoring Guide rubric

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Mr. Bell Water Bottle Rocket Project Scoring Guide

The Water Bottle Rocket Project Scoring Guide

The student will study the physics involved from rockets. Mechanical, aerospace and aeronautical engineers design aircraft such as airplanes, helicopters and space shuttles that must fly reliably, safely and predictably. This requires an understanding of the fundamental laws of physics and strong backgrounds in basic engineering disciplines (dynamics, fluid mechanics, materials).

Rubric Code: N2295C8

By amirbell

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Public Rubric

Subject: Engineering

Type: Project

Grade Levels: 6-8

Water Bottle Rocket project The goal of the project is to increase your understanding of the physics involved in rockets
	Requirements 100 pts	Total points 100 pts
Construction of the project 10 pts What makes rockets fly straight? What makes rockets fly far? Why use water to make the rocket fly? Students are challenged to design and build rockets from two-liter plastic soda bottles that travel as far and straight as possible or stay aloft as long as possible.	Requirements Quality of design and materials, safety considered the rocket is propelled only water and air pressure.	Total points After this activity, students should be able to: Design and build a water bottle rocket that flies straight and in the desired direction. Explain center of drag, and center of mass, and draw their relationships to each other for a straight-flying rocket. Explain why water is more effective than air for propelling bottle rockets. Explain the steps in the design process as they created their rockets, highlighting successes and failures, and suggesting further improvements.
Flight Performance of the project 20 pts	Requirements the rocket must fly at least 3 seconds the rocket is propelled only water and air pressure. Ability to re-launch rocket 3 times	Total points After groups have filled out the Revised Design Worksheet and made sketches of their rocket designs, conduct rocket trials to test the four different design ideas (Table 1). Once testing is complete, students can answer the sixth question on the worksheet—to identify which tested rocket design was the best, which informs them on how to design their own water bottle rockets.
Data/Graphs/Tables 20 pts include 5 + measurements of your rocket	Requirements Student must collect data for 3+ variables. 3+ trials per variable tested with averages and recorded	Total points Students finalize their water bottle rocket designs with their partners, then build and test their rockets in preparation for a class competition. Make available the competition rules handouts so students are clear on the project constraints.
Written Report 50 pts creative cover page, name of student, class period, course, date Organizaion include the requirements with drawings, labels, pictures, and formulas and calculations	Requirements Explain your reasons for your design. Explain the physics found in your project. Discuss any potential problem(s) and how you remedy this.	Total points Reflection, Sharing & Discussion: Have students describe in their own words the steps of the design process that they went through in the activity, as well as a summary of their predictions, results and conclusions—as described in the Assessment section.

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