CHAPTER 2: BIOLOGY AS A SCIENCE

Scientific Method –

Steps of the Scientific Method:

·       Problem

·       Hypothesis

·       Controlled Experiment

Variable –

Control –

·       Observations –

·       Conclusion –

·       Theory

·       Law –

Tools of Biology -

 A.     Stereomicroscope –

B.     Simple Microscope –

C.     Phase-Contrast Microscope –

D.     Electron Microscope –

(Scanning Electron Microscope, Transmission Electron Microscope)

E.     Light/ Compound Microscope – Uses light to magnify small objects

·      _______________________ lens: ______ magnification

·      _______________________: Low Power = _______ magnification

                                   High Power Lens = _____ magnification

Eyepiece Lens  X  Objective Lens   = _______________________

Measurements in Biology

International System of Units/ Metric System –

“Kangaroos Hop Down My Driveway Carrying Money”