Lab Activity #1
Title: _____________________________
Concept: Density is the mass of an object divided by its volume. D = m/V
I.
II.
Problem: To find the density of water, a given rectangular solid, and an unknown irregularly shaped metal
Materials:
III. Prodedure:
A. Water:
1. Weigh an empty, clean and dry graduated cylinder. Record your measurement.
2. Pour a certain amount of water into the graduated cylinder.
3. Weigh the graduated cylinder with water. Record your measurement.
4. Read and record the volume of the water making sure your eyes are at the level of the lower
meniscus.
5. Do 2 more trials with different volumes of water.
B. Rectangular piece of wood.
1. Weigh the block of wood. Record your measurement
2. Measure its length, width, and height. Record your measurement.
C. Irregular Solid.
1. Weight the solid. Record your measurement.
2. Pour water into a graduated cylinder and record the initial reading.
3. Drop the irregular solid into the cylinder and record the final reading.
IV.
Data and Results:
A. Water:
Trial
(A) Mass of
Cylinder w/
Water (g)
1
2
3
(B) Mass of
Cylinder
only (g)
Mass of
Water (g)
(A) – (B)
Volume of
Water (mL)
Density of
Water (g/mL)
D = M/V
B. Block of Wood :
L = _________ W = ________ H = ________ V = _________ M = ________ D = ____________
C. Irregular Solid:
Final Reading =
_____________
Initial Reading = _____________
Mass of solid = ____________
Density of solid = ____________
Volume of solid = _____________
V. Conclusion:
1. What can you say about the density of water? ________________________________________________
2. Based on its density, what do you think is the unknown metal? ___________________________________