Ohaus PRIMER BALANCE Manual - Manual (Page 6)

6
nails
OBJECTIVE :
To make comparisons of mass using a nonstandard
unit of measure.
MATERIALS: Primer Balance
Six small paper cups
Enough of the following material to each fill one
cup:
Beans
Rice
Cornmeal Breakfast Cereal
Salt
Water
A cup of nails as mass pieces
PROCEDURE: 1. Measure a cup of each of the materials
provided in this activity.
2. Guess the number of nails it will take to balance
each of the materials.
3. Make a record of what you found.
Use the following chart.
Your Guess
(Number
of Nails) Material
Actual
Number of
Nails
Beans
Rice
Cornmeal
Breakfast cereal
Salt
Water
Nonstandard