evidence
the available body of facts or information indicating whether a belief or proposition is true or valid.
Inference
A conclusion reached on the basis of evidence and reasoning
classify
arrange or order by classes or categories
investigation
a procedure carried out to gather data about an object or event
knowledge
Skills, experience, and expertise coupled with information and intelligence that creates a person's intellectual resources
opinion
A belief or view about something
Observing
The process of using one or more of your senses to gather information.
Communication
The imparting or exchanging of information or news
Science
An organized way of gathering and analyzing evidence about the natural world.
order
in classification, a group of closely related families
Variable
A factor that can change in an experiment
control
In an experiment, the standard that is used for comparison
Repetition
Repeated use of sounds, words, or ideas for effect and emphasis