DIRECTIONS:

  1. Find the mass of one of each of the items listed below.
  2. Find the mass of many of each of the items listed below. (Each item requires a different amount)
  3. Find the average mass of each item by calculation.

NOTE: ROUND YOUR AVERAGES OFF TO 2 PLACES PAST THE DECIMAL POINT.

NOTE: BE SURE TO CHECK THE CALIBRATION OF YOUR BALANCE EVERY TIME BEFORE YOU START A NEW MASSING.

Mass of / Paperclips / Mass of / Pipettes
1 Paperclip / 1 Pipette
8 Paperclips / 6 Pipettes
Total / Total
Calculate the
Average Mass
(Divide by 9) / / Calculate the
Average Mass
(Divide by 7)
Average Mass / Average Mass
of Paperclips / of one Pipette
Mass of a / Water Drop / Mass of / Penny
1 Water Drop / 1 Penny
25 Water Drops / 7 Pennies
Total / Total
Calculate the
Average Mass
(Divide by 26) / Calculate the
Average Mass
(Divide by 8)
Average Mass / Average Mass
of Drops / of Pennies

DIRECTIONS:

1. Find the mass of one of each of the items listed below.

  1. Find the mass of many of each of the items listed below. (Each item requires a different amount)
  2. Find the average mass of each item by calculation.

NOTE: ROUND YOUR AVERAGES OFF TO 2 PLACES PAST THE DECIMAL POINT.

NOTE: BE SURE TO CHECK THE CALIBRATION OF YOUR BALANCE EVERY TIME BEFORE YOU START A NEW MASSING.

Mass of / Nails / Mass of / Toothpick
1 Nail / 1 Toothpick
5 Nails / 10 Toothpicks
Total / Total
Calculate the
Average Mass
(Divide by 6) / Calculate the
Average Mass
(Divide by 11)
Average Mass / Average Mass
of Nails / of Toothpicks
Mass of a / Petri Dish / Mass of / Coffee Filters
1 Petri Dish / 1 Coffee Filter
6 Petri Dishes / 8 Coffee Filters
Total / Total
Calculate the
Average Mass
(Divide by 7) / Calculate the
Average Mass
(Divide by 9)
Average Mass / Average Mass
of Petri Dishes / of Coffee Filters