Printable Student Sheet
Design Your Own Catapult
1.
What are the design criteria? In other words, what is required in order
for the design to be effective?
2.
What are the design constraints? In other words, what are some design
limitations due to available materials and the environment?
Catapult Scoring Rubric
Component
Backyard Engineers
Score
Design sketch is complete
and includes all or most
of the materials.
10 points
Actual catapult demonstrates
transfer of potential to kinetic
energy in order to do work.
15 points
A lever is in working order and
is able to launch a marshmallow.
10 points
Teacher Guide
Design Your Own Catapult