1. Tools of the Biologist
Metric Measurements

2. The Metric System

3. The Metric System
used by scientist to describe their experiments and data
based on multiples of 10

4. Basic Units length - meter
volume - liter for liquids and cubic centimeter for solids
mass - gram
temperature - Celsius scale

5. English vs. Metric Units
Which is longer?
A. 1 mile or 1 kilometer
B. 1 yard or 1 meter
C. 1 inch or 1 centimeter
1.6 kilometers
1 mile
1 yard = meters
1 inch = 2.54 centimeters

7. 1 centimeter = 10 millimeters
Measuring Length
1 centimeter = 10 millimeters
How many millimeters are in 1 centimeter?
What is the length of the line in centimeters? _______cm
What is the length of the line in millimeters? _______mm
What is the length of the line to the nearest centimeter? ________cm
HINT: Round to the nearest centimeter – no decimals.

9. In your notebook, measure each of the points below in cm and mm
In your notebook, measure each of the points below in cm and mm. Begin at 0. Be sure to use the unit of measurement after the numbers that you write down.

11. Metric Prefixes Kilo Hecto Deca BASE deci centi milli (K) (H)
(D) or (da
M, L, g
(d)
(c)
(m)
1000x
100x
10x 1
1/10th
1/100th
1/1000 th
LARGER smaller
“King Henry Died By Drinking Chocolate Milk”