scientific method ch1

Scientific Method

A process of inquiry that scientists use in order to be able to understand the natural world better

Steps of sm

O H P E R C

Hypothesis

educated guess based off of observations

Primary data

Info collected by person themself

Secondary data

Info collected by someone else

Theory

A hypothesis that has been supported by many dif experiments

Principle

Theory that has shown to be valid and fully tested over a long period of time

Variable

Factor that may change in an experiment

Independent variable

Factor that is changed in experiment

Dependent variable

Faster affected by independent variable. Its the factor measured or observed

Controlled variable

Factors kept the same in order to make it a fair test

Data

Info obtained or measurements in an investigation

Limitations 3

Random errors like human error

Systematic errors caused by equipment

Level of knowledge held by scientists

Evaluate

Make a judgement as to the value of something

Relevant

Means that the info is related to the topic you’re concidering

Accurate evidence

To be accurate it must provide evidence on scientific research

Biased evidence

Unfair test, influenced by factors that should NOT be included