Ohaus PRIMER BALANCE Manual - Manual (Page 13)

13
balancing with water – i
OBJECTIVE :
To discover the special relationship that exists
between the weight and the volume of water.
MATERIALS: Primer Balance
100 one-gram mass pieces
A medicine dropper
PROCEDURE: 1. Place the number of mass pieces indicated in
the following chart in one of the balance pans.
Bring the scale into balance by adding or taking
away some of the water with the medicine
dropper.
2. When the water and the mass pieces are in
balance, pour the water from the balance pan
into a graduated cylinder. Record the volume in
milliliters.
3. Explain how you could use the relationship that
exists between mass (weight) and volume of
water to accurately measure the mass of an
object.
Number of One Gram
Mass Pieces Volume of the Water
in Milliliters
10 grams
20 grams
30 grams
50 grams
100 grams
__________ ml
__________ ml
__________ ml
__________ ml
__________ ml
Standard