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Catapults 
Projectile Motion Project
Rubric Code: RX6X6C4
By colonialmatrix
Ready to use
Public Rubric
Subject: Science  
Type: Project  
Grade Levels: 9-12

Powered by iRubric History of the Catapult
20 %
  Excellent

3 pts

Good

2 pts

Fair

1 pts

Research

Excellent

Complete and through history of the catapult given. Accurate dates used. Accurate persons/countries used. Accurate situations used. Specific uses mentioned.
Good

Abridged history of the rubric. Missing information about dates, countries/persons or specific uses.
Fair

Abridged History. Little to no details given
Presentation of History

Excellent

Neat and Clear visual presentation. Well spoken. All members demonstrate knowledge of history
Good

Little or basic visuals. Only one group member demonstrates knowledge
Fair

No visuals. Only written history
Catapult
40 %
  Excellent

3 pts

GOOD

2 pts

Fair

1 pts

Function of catapult

Excellent

Devise works every time.
GOOD

Devise works some of the times
Fair

Devise works one or less times
Appearance of catapult

Excellent

Clean and finished appearance
GOOD

Roughness in appearance. Appears to be tossed together quickly. Little thought given to design
Fair

Not complete. Not sturdy or reusable
Adjustability

Excellent

Angle and velocity of projectile is adjustable
GOOD

Angle or velocity of projectile is adjustable
Fair

No adjustments can me made
Accuracy

Excellent

Projectile reaches target within 20% error of calculated target
GOOD

Projectile reaches target within 50% error of calculated target
Fair

Projectile reaches target with a greater than 50% error of calculated target.
Calculations
20 %
  Excellent

3 pts

Good

2 pts

Fair

1 pts

Data Collection

Excellent

At least 5 data collection points are shown to calculate velocity of catapult
Good

2-4 data points are shown to calculate velocity of catapult
Fair

one or no data points are shown to calculate velocity of catapult
Equations

Excellent

All equations needed are clearly and correctly listed
Good

Most equations needed are clearly and correctly listed
Fair

Some to No equations needed are clearly and correctly listed
Adjustment calculations

Excellent

Instructions to correctly adjust catapults Angle of fire and/or velocity of fire for any mass range are provided and correctly used
Good

Instructions to correctly adjust catapults Angle of fire or velocity of fire for a spicific mass range are provided and used with some errors
Fair

No calculations for adjustments are calculated
Group Participation
20 %
  Excellent

3 pts

Good

2 pts

Fair

1 pts

Communication

Excellent

Member communicated clearly 90-100% of the time
Good

Member communicated clearly 70-89% of the time
Fair

Member communicated clearly less than 70% of the time
Participation

Excellent

90-100% of logged work on project
Good

70-89% of logged work on project
Fair

less than 70% of logged work on project




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