|
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 |
|
|
