1. Section 1-3
The Nature of Biology

2. Quantiative Research Numerical Data Counts Measurements
Can be used to make a graph or table

3. International System (SI)
Expressed in multiples of ten
Length – meter
Mass – gram
Volume - liter
Time – second
Temperature – Kelvin or Celsius
Area (L X W) – square meters

4. Descriptive Research Observational Data
Written descriptions of what scientists observe

5. How many jumps does it take?
Ladder Method 1 2 3
KILO
1000 Units
HECTO 100 Units
DEKA 10 Units
DECI 0.1 Unit
Meters Liters Grams
CENTI 0.01 Unit
MILLI Unit
How do you use the “ladder” method?
1st – Determine your starting point.
2nd – Count the “jumps” to your ending point.
3rd – Move the decimal the same number of jumps in the same direction.
4 km = _________ m
Starting Point
Ending Point
How many jumps does it take? 4. 1
__. 2
__. 3
__.
= 4000 m