1. Chapter 1
The scientific method

2. Science is the study of the physical, material and living world.
Biology is the study of living things.

3. The scientific method is based on:
Making observations
Forming a hypothesis
Carrying out experiments
Recording the results
Forming a conclusion
Discarding, changing or accepting the hypothesis based on the conclusions.

4. Steps in the Scientific Method

6. A hypothesis is an educated guess based on observations.
An experiment is a test for a hypothesis.
Data is the information gathered in experiments.
A theory is an explanation based on repeated hypotheses
and experimentation.

7. The link between experiments and the scientific method.
A principle or law arises from a theory when it is seen always to be true under all conditions over a long period of time.
The link between experiments and the scientific method.

9. A replicate is when an experiment is repeated.
The value of the scientific method is limited by issues
such as:
Lack of basic knowledge
Design of the experiment
Difficulty in interpreting results
Changes in nature
Accidental discoveries.
Ethics refers to whether issues are right or wrong.