Page 32 - Laboratory Manual in Physical Geology

A. LINEAR MEASUREMENT USING A RULER
0.073 meters (m) 0.1065 meters (m)
0 centimeters (cm) 7.30 cm 10.65 cm
0 millimeters (mm) 73.0 mm 106.5 mm

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
METRIC

1 2 3 4 5 6
INCHES

0 inches (in) 2 /8 in (2.88 in) 4 /16 in (4.19 in)
7
3

1 cm x 1 cm x 1 cm = 1 cm 3
B. VOLUME OF A BLOCK
MEASURED IN CUBIC TOP
CENTIMETERS: cm 3

9 cm x 4 cm x 4 cm = 144 cm 3 FRONT

SIDE 4.0 cm

9.0 cm
4.0 cm

Milliliter or thousandth of a liter;
same as cubic centimeter (cm )
3
mL
30 350
50

40
50
22.0 mL 300
(22.0 cm ) 3 20
30
293 mL
3
(293 cm )
20 42.3 mL
3
(42.3 cm )
40 250
10
10

Glass graduated cylinders Plastic graduated cylinder
with meniscus with no meniscus
C. FLUID VOLUME MEASURED WITH GRADUATED CYLINDERS IN MILLILITERS: mL or ml

FIGURE 1.8 Tools and scales of measurement. A. Linear measurement using a ruler. B. Linear volume measured in cubic centimeters.
3
C. Fluid volume measured with graduated cylinder (at base of meniscus). A milliliter (mL or ml) is the same as a cubic centimeter (cm ).

Thinking Like a Geologist ■ 17