Criterion C: Creating the Solution
3D Printing Will Change the World Project
IB MYP Level 3 Design
What is my project about? Go to the project’s webpage to read and analyze the important
details and resources. Then return here. Use the project's webpage when you need certain
information and/or specific resources to answer a question or complete a task.
Rubrics for Criterion C: Creating the Solution
*Read and analyze this rubrics chart from the bottom up (starting with Rubric score of 7/8). *
Rubric Score/
Grade Range
0/0-59
Non-Scoreable
Level Descriptor
The student does not reach a standard
described by any of the descriptors below.
The student:
i. demonstrates minimal technical skills
when making the solution.
1/60-64
Limited Success ii. creates the solution, which
functions poorly and is presented in an
2/65-69
incomplete form.
3/70-74
Developing
4/75-79
5/80-84
Proficient
6/85-89
Exploring Career
Decisions Descriptor
None of the descriptors below are
attempted or not enough
evidence is observable.
Some of the requirements of the
descriptors below are met.
The student:
i. outlines each step in a plan that contains
some details, resulting in peers having
difficulty following the plan to create the
solution.
ii. demonstrates satisfactory technical skills
Most of the requirements of the
when making the solution.
descriptors below are met.
iii. creates the solution,
which partially functions and is adequately
presented.
iv. outlines changes made to the chosen
design or plan when making the solution.
The student:
i. constructs a plan, which considers time
and resources, sufficient for peers to be able
to follow to create the solution.
ii. demonstrates competent technical skills
when making the solution.
iii. creates the solution, which functions as
intended and is presented
iv. appropriately outlines changes made to
the chosen design and plan when making the
All minimum requirements are
met to competently and efficiently
complete the Engineering
Notebook’s four technical
worksheets (pages 8-15), their
corresponding summary/response
paragraphs, four engineering
activities (pages 16-21), and the
three competition events.
Regarding potential 3-D printing
solution.
7/90-94
Superior
8/95-100
i. constructs a logical plan,
which outlines the efficient use of time and
resources, sufficient for peers to be able to
follow to create the solution.
ii. demonstrates excellent technical skills
when making the solution.
iii. follows the plan to create the solution,
which functions as intended and is
presented appropriately.
iv. explains changes made to the chosen
design and plan when making the solution.
issues out of our control, overall
best effort and reflection are
expected, whether the 3D print
jobs are successful or not, or not
attempted due to time and 3D
printer issues, etc.
Goes above and beyond meeting
all minimum requirements:
More than the minimum
requirements are met to
creatively and analytically
complete the Engineering
Notebook’s four technical
worksheets (pages 8-15), their
corresponding summary/response
paragraphs, four engineering
activities (pages 16-21), and the
three competition events.
Regarding potential 3-D printing
issues out of our control, overall
best effort, analysis, evaluation,
and reflection are expected,
whether the 3D print jobs are
successful or not, or not attempted
due to time and 3D printer issues,
etc.
You are required to save your work in an organized way on Google Drive inside your
Career Investigations Project folder.
1. Return to Google Drive and your folder for this project.
2. Inside your Evidence of Work folder, create a new Google doc and name it Criterion C.
3. Choose font type Times New Roman or Arial and font type 12.
4. At the top of the page, type your name (include your last name, please) block, and the
words Date Handed In. When you submit your assignment here at Canvas, you will be
expected to accurately key the current date of submission.
5. Beginning with the title, Criterion C: Creating the Solution below, select and highlight all of
the information to the bottom and copy it. Make sure that you have highlighted and copied
all of it.
6. Then Paste it onto your Criterion C document at Google Drive. Do not delete directions,
questions, instructions for tasks, etc. Use this original form. Do not delete directions,
questions, instructions for tasks, etc. Do not rearrange any data or information. Only
titles and headings should be centered aligned. Everything else (directions, questions,
answers, etc.) is to be left aligned.
7. Fix any formatting issues (spacing, recreating table or charts, etc.).
8. Otherwise, in general, please keep the formatting as it is.
9. Do not bold, italicize or underline text or data.
10. Please keep the titles, headings, directions, questions, etc., in their original color (mostly
black).
11. You may use any readable dark color if you would like your answers and data in
charts/tables/outlines to stand out.
12. Repeating: we are using font type Times New Roman or Arial and font type 12.
13. When you finish and are ready to submit your entire Criterion C work, please delete the
paragraphs at the bottom of the page, below your final process journal for this criterion. You
are reminded this towards the end of this document.
Now begin your work for Criterion C. Pay attention in class for explanations and
pacing guide with dates to complete this on time.
***When you complete all required work for Criterion C and become ready to submit all of
it, return here for instructions about how to submit your document here at Canvas. Then show the
teacher your created product – your presentation.
Criterion C: Creating the Solution
Level 3: 3D Printing Will Change the World Project
Criterion C, Objective 1
I can construct a logical plan, which outlines the efficient use of time and resources,
sufficient for peers to be able to follow to create a solution.
Evidence of Work - Classwork and Homework
Describe, discuss, and analyze your Criterion C, Objective 1 Evidence of Work. Be
very thorough and cite specifics as you answer questions, provide information, and follow
instructions.
For this objective, complete the Technical Worksheets that are intended to help you
engineer your concept and answer some of your technical decisions – on pages 8-15 of your
Engineering Notebook. Carefully read below as you thoroughly follow instructions about each of
the four tasks.
Task #1: Go Fast
Complete the Go Fast activities on pages 8-9. In a paragraph of five or more sentences,
explain, analyze, and reflect about what happened and what you learned. What were your highest
average speeds for (1) from start and (2) over final five feet?
Task #2: Climb High
Complete the Climb High activities on pages 10-11. In a paragraph of five or more
sentences, explain, analyze, and reflect about what happened and what you learned. What was
the relationship between height and reaching the finish line?
Task #3: Ratio Soup
Complete the Ratio Soup activities on pages 12-13. In a paragraph of five or more
sentences, explain, analyze, and reflect about what happened and what you learned. Also,
analyze and reflect about both of your answers from the Discussion section on page 13. Then
answer the following question and complete the chart that go with Decision Matrices on page
13.
1. What is the purpose of a decision matrix?
2.
Fill in the chart below.
Decision
Which front wheels to use
Low Mass
Nice Look
Low Cost
Total Score:
3 Spokes
5 Spokes
Solid
Task #4: Gears Versus Pulleys
Complete the Gears Versus Pulleys activities on pages 14-15. In a paragraph of five or
more sentences, explain, analyze, and reflect about what happened and what you learned. Also,
analyze and reflect about both of your answers from the Discussion section on page 15.
Criterion C, Objective 1 Process Journal
1. Which of these four tasks do you feel best helped engineer your concept and answer some of
your technical decisions? Exactly how?
2. Which of these four tasks did you enjoy the most or were the most fun for you? Why?
Criterion C, Objective 2: I can demonstrate excellent technical skills when making the
solution.
Criterion C, Objective 3: I can follow the plan to create the solution, which functions as
intended explain the changes made to the chosen design and the plan when making the
solution.
Criterion C, Objective 4: I can present the solution as a whole.
Evidence of Work - Classwork and Homework
Describe, discuss, and analyze your Criterion C, Objectives 2, 3, and 4 Evidence of
Work. Be very thorough and cite specifics as you answer questions, provide information, and
follow instructions.
For these objectives, first complete the four engineering activities on pages 16-21 of your
Engineering Notebook. Carefully read below as you thoroughly follow instructions about each of
these four engineering activities: Experiment, Concept Scratch Paper, Cost and Weight
Calculation, and Vehicle Requirements Sign-Off.
Also, answer or complete information with their corresponding topics and pages
numbers. It may be helpful to delete the blanks and then underline your responses.
Friction Page 16
1. Friction is a _______________ that occurs between two surfaces in contact when the
surfaces try to ___________ across one another.
2. Amount of frictional force depends on:
a. ______________________________________________________________
b. _______________________________________________________________
3. On an icy road if there is not enough friction what happens?
4.
If there is too much friction in the car’s drivetrain what happens?
5.
(L6) Do you agree that it is better to use gears instead of belt and pulleys? Explain.
Gears Page 17
1. What are the four most common tasks that gears perform?
a. __________________________________________________________________
b. __________________________________________________________________
c. __________________________________________________________________
d. __________________________________________________________________
2. How do gears increase the speed of rotation?
3.
Explain gear ratio and how it works.
4.
What would the gear ratio be if a 20 tooth gear turns a 10 tooth gear?___________
5.
Which gear is rotating faster in a gear ratio between a 20 tooth gear and a 10 tooth
gear?______________
6.
If a motor turns a 30 tooth gear at 30 revolutions per minute, how many revolutions per
minute would a 15 tooth gear make?____________
Mass vs Weight Page 18
1. Explain mass.
2.
What does the object’s mass tell us?
3.
4.
5.
The more mass the ____________ a given force will _______________ that object.
What is the metric unit of mass known as ___________________?
What is the standard metric unit of force?_________________________
Pulleys Page 19
1. A pulley is a disc or __________, with an ______ through the _________ that can
_________ due to a cord or ________ along the edge of the ______.
2. What are the three different uses for a pulley?
A.______________________________________________________________________
B.______________________________________________________________________
C. ______________________________________________________________________
3.
How is a belt drive created?
4.
What tells you the number of times that each of the pulleys will turn?
5.
If you had a 3 inch diameter pulley that was connected to a 1.5 inch diameter pulley with
a belt, for every rotation of the 3 inch pulley, how many times would the 1.5 inch pulley
rotate? _______
6.
What is the formula for the drive ratio for a simple two pulley belt drive system?
7.
Explain what does a larger drive ratio do to the revolutions of the axle?
8.
Explain what does a smaller drive ratio do to the revolutions of the axle?
9.
The force applied by the _________ to the axle has an ______________ relationship to
the ___________ of the axle. Inverse relationship means that the ___________ does the
___________________ of speed.
10.
Explain what happens if you have a large drive ratio.
11.
Explain what happens if you have a small drive ratio.
12.
13.
Which ratio would you need for speed?
Which ratio would you need for power?
Slope Page 21
1. The slope of the _______ segment between two points is the rate of ___________ in the __coordiante.
2. The slope is equal to the difference in the y-coordinates ___________ by the difference in
the ___________________.
3. Explain in your own words why an engineer would say “Slope is the rise over the run.”
4.
The formula can read “_______________ equals the ___________ in y divided by the
_____________ in _____”.
5.
Write an example of a slope formula.
Speed and Velocity Page 22
1. Explain speed in the terms of our vehicles.
2.
What do you use to determine the speed of your vehicle?
3.
Speed is found by dividing the __________________ traveled by the _________
required to __________ that __________________.
4.
What is the formula for speed?
5.
Explain what velocity is.
6.
7.
The velocity of a car would be its _________ in a specific _____________.
In order to calculate an object’s velocity for a trip, you have to figure out what?
8.
What is displacement?
9.
The size or magnitude of the velocity vector is calculated how?
10.
How do you figure out the direction of the velocity vector?
11.
What is the difference between speed and velocity?
12.
What does scalar quantities represent?
13.
a.
b.
c.
d.
14.
What are four measurements for scalar quantities?
_______________________
_______________________
_______________________
_______________________
What do vector quantities represent?
Mass Distribution Page 23
1. What does the center of mass affect?
2. Where would you want your center of mass of a crate located to prevent it from tipping over?
3. How does having a low center of mass for a vehicle help the vehicle performance?
Also, go ahead and read the paragraphs below #3 about scoring, potential 3D printing
issues, and the possibility of “running out of time” at the end of the school year before we are
able to finish Criterion C and even do Criterion C.
Secondly, you team will use your cars to compete in three events, according to the
Competition Rules on page 2 of the Competition Catalog:
1. The design presentation event will test the quality of the engineering completed by
your team.
2. The drag race event will test how fast your vehicle is in comparison to the other cars.
The fastest vehicles will have low mass and relatively high gear to pulley ratios.
3. The hill climb event will test how much torque your vehicle has lost. The best
vehicles will be low to the ground and have relatively low gear or pulley ratios.
According to the Competition Catalog, the team with the highest overall score wins. The
design presentation and hill climb events are worth 50 points each, and the drag race is worth
100 points.
The catalog also says “The instructor will determine how these points are awarded.” We
will discuss this in class. We probably have overall winners for all twelve classes, not for
individual classes or by blocks or by A/B days. It may be the top three or top ten, etc.
And the catalog informs us that “Each team will be allowed one class period to use the 3D printer, so make sure that you carefully select the parts you would like to print. Good luck!”
We will use common sense here because with 3D print jobs taking so long to print– for
example, a wheel may take 17 minutes. Plus, it takes time to clean off the hard extra material or
residue left behind.
Also with our short 35-40 minute classes and having only one 3D printer – having
enough time for every team to print all needed materials may become an issue. As needed, we
will modify our Criterion C rubric scores accordingly.
The bottom line is that if a team does not get to finish printing all vehicle parts and it not
due to a lack of effort by students but by other factors such as the lack of having enough time,
and if all the other Criterion C work is completed and meets requirements, a rubric score of no
lower than 5 will be given. More than likely it will be a 6 and if there is evidence of a student
going above and beyond, a 7/8 rubric score will be strongly considered.
The point here is for you to have fun and learn about 3D printing – and to make the
bigger, global implications and connections.
Finally, with the EOCs, EOGs, and end of the school year activities, along with the short
time for our class, we may not get to complete Criterion D Evaluating formally. If this happens,
we will evaluate and reflect vocally about this project, what went well, and what needs to be
improved.
Criterion C, Objectives 2, 3, and 4 Process Journal
1. Answer each of the following questions for reflection. How did you feel about what you
did today? Was it satisfying? Frustrating? Rewarding? What went well? What did you learn?
What needed to be improved? What other reflections do you have at this stage of the project?
2. In a paragraph of five or more sentences, reflect, analyze, and evaluate your use of Criterion
C: Creating the Solution - of the design cycle. What are your strong points with Criterion C?
What did you did you like the best? What are your opportunities for improvement? What
would you do differently if you had to do it over?
***DO NOT COPY/PASTE THIS AND THE FOLLOWING INFORMATION FROM
YOUR GOOGLE DOC TO THE TEXT ENTRY FORM AT THE ASSIGNMENT'S
WEBPAGE AT CANVAS!!!
There is no peer review/evaluation form with this criterion, but you are encouraged to have
a peer check your work before handing it in. Revise and proofread your work. What are your
strengths and opportunities for improvement? Did you go above and beyond meeting minimum
expectations and requirements? Does your work also consider the big picture, global
perspectives, international mindedness, etc.? Are your responses thorough and specific?
At Google Drive, use both spell check and your brain to correct errors in spelling,
capitalization, sentence structure (e.g., subject/verb agreement), and other standard English
grammar issues. Please use standard English. For example, use "and," not "&;" capitalize "I," etc.
Are your paragraphs indented properly (approximately five to eight spaces)?
*When submitting a project's criterion document at Canvas:
a. Use the original form that you were directed to copy and paste onto a Google doc and follow
all instructions on both the criterion document and here. If not, a submitted assignment will be
unacceptable and may result in a temporary 0-50 until the document is resubmitted correctly.
b. At this assignment's Canvas webpage, click the Submit Assignment button at the top.
c. Copy your entire criterion document on Google Drive and paste it in the Text Entry box.
d. As you proofread your work again, make sure that your first/last name, class block, and date
handed in are accurately typed at the top of the page.
e. Fix any formatting issues:
1. Select/highlight all text and select font size 12.
2. Then scroll up to the top of your document. As you slowly scroll down, read and correct
any formatting issues, including spacing between lines.
3. Please keep all text left aligned.
4. Use of color on titles/headings and answers are optional. Titles/headings may be in
bold. Answers are to be in plain text (not bolded). Questions, directions, etc. are to be black
color.
5. Add borders to both charts or tables by clicking inside the table. Then click the down
arrow by the Table icon, then click Table Properties, type 1 inside the box for Border, and click
OK.
6. Using the Comments section is optional, if you want to explain something, share ideas,
remind the teacher of specific dates you were absent from class, etc. Then click the Submit
Assignment button at the bottom and if applicable, hand in any printed or hand-created
paperwork with your name and class block type or written on each sheet. Next, begin Criterion
D.
7. Remember to click the blue Submit Assignment button at the bottom of the text entry form.
Verify submission by reading the screen. Thank you! 