1. 1.3 Tools & Techniques I. Measurement Systems
A. International System of Units (SI)
1. Official name for metric system
2. Uses multiples of 10
3. Common prefixes

2. II. Lab Techniques
A. Microscopy
1. Light microscopes
a. light passes through lens
2. Electron microscopes
a. beam of electrons enlarges objects

3. B. Sterile Technique
1. method of keeping unwanted microorganisms out of the lab
2. ex – latex gloves, sterilized dishes and pipets
C. Collecting Data Remotely
1. GPS systems can track released animals

4. III. Safety
A. Scientists must use caution when working in the lab or field
B. Listen to all directions carefully
C. Read your lab before beginning
D. Never take any shortcuts
E. Do not use damaged equipment
F. Never taste or smell any materials or chemicals
G. Use common sense!