The Scientific Method (Chapter 1)

Question 1

Biology

Answer 1

Biology is the study of living things.

Question 2

Organism

Answer 2

An organism is a living thing.

Question 3

Scientific Method

Answer 3

The scientific method is a process of investigation in which problems are identified and their suggested explanations are tested by carrying out experiments.

Question 4

Hypothesis

Answer 4

A hypothesis is an educated guess based on observations.

Question 5

Data

Answer 5

Data consists of the measurements, observations or information gathered from experiments.

Question 6

Theory

Answer 6

A theory is a hypothesis that has been supported by many different experiments.

Question 7

Principle/Law

Answer 7

A principle or law arises from a theory that has been shown to be valid when fully tested over a long period of time.

Question 8

Variable

Answer 8

A variable is a factor that may change in an experiment.

Question 9

Control

Answer 9

A control is used to provide a standard against which the actual experiment can be judged.

Question 10

Why should there be a large sample?

Answer 10

A large sample reduces the risk that the results are due to individual differences, rather than being caused by the factor being investigated.

Question 11

Replicate

Answer 11

A replicate is a repeat of an experiment

Question 12

Double Blind Testing

Answer 12

Both parties here are unaware of the arrangements of the test. This means that they cannot influence the results of the experiment by consciously or subconsciously give clues to the person being tested.

Question 13

Limitations of the value of the scientific method

Answer 13

1. The extent of our knowledge.
2. The basis of investigation.
3. Interpreting results.
4. Changes in the natural world.
5. Accidental discoveries.