NOS Test review 8/30

When you do many trials during an experiment then it is called

• Variables

• Test

• Repetition

Having an experiment repeated by others is called ?

• Repetition

• Replication

• Experiment

Repetition and Replication both involve doing

• weird experiments

• different experiments

• the same experiment

• Rick rolling

Which of these explain how a natural phenomenon works or happens?

• theory

• law

Scientific theories can be tested.

• True
• False

Scientific theories are based on

• general assumptions of how systems work.
• mathematical principles that can be proven true.
• large amounts of data collected over time.
• observations from within only one scientific discipline.

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

• law
• theory
• method
• variable

The factor in an experiment that will be changed. 

• dependent variable
• independent variable
• controlled variable
• inferences 

The summary at the end of an experiment that explains the results, and referrers to the hypothesis using data. 

• conclusion
• procedures
• materials
• responding variable

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. (not changed)

• experimental group
• control group
• data
• variables