Contributed by: Illinois Science Teachers Association (ILS)
Objectives:
 To evaluate a student's ability to measure mass.
 To evaluate a student's ability to rank order objects according
to their mass.
Questions:
 Weigh each of the objects separately using the colored gram
cubes.
 Count and write the number of cubes needed to balance each object
in the chart.
Object 
Number of Cubes 
Crayon 

Clothespin 

Washer 

Wooden Block 

The mass of the objects should be verified by scorer and
acceptable error should be established for all measurements, e.g.
washer = 8 cubes
1 cube.
 Which object weighs the most? ________________________
 Which object weighs the least? ________________________
The order of mass for objets should be verified by scorer.
Scoring Key:
Measurement:Using the balance 

Number of Points 
1. No student answer 

0 
2. Write in object's mass:
 crayon
 clothespin
 washer
 wooden block

__________________
__________________
__________________
__________________ 
1
1
1
1 
3a. Write in object with greatest mass 
__________________ 
1 
3b. Write in object with least mass 
__________________ 
1 


Total points  6 

