iRubric: PBL Summative Compound machine game/invention rubric

Plan provides labeling for most components.

Plan is neat and labeling for most components.

Plan is neat and labeling for all components.

Lack of understanding of unbalanced forces, surface friction and / or gravity.

Some parts of the game/invention:

showed understanding of gravity and balanced and unbalanced forces

or

showed understanding of surface friction and gravity

I used my understanding of gravity and balanced and unbalanced forces when building my game/invention to make objects move faster or slower, up or down as required on multiple occasions

and/or

I used my knowledge of surface friction and gravity on multiple occasions when building my game/invention to make objects move faster or slower, up or down as required

Little evidence of troubleshooting, testing or refinement.

Some evidence of troubleshooting, testing and refinements.

Clear evidence of troubleshooting, testing, and refinements based on scientific principles.