a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.

• model

• experiment

• data

• empirical evidence

information gathered by observation or experimentation that can be used in calculating or reasoning.

• data

• model

• hypothesis

• science

observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanation.

• empirical evidence

• data

• model

• experiment

testable idea or explanation that leads to scientific investigation

• data

• science

• hypothesis

• experiment

an organized procedure to study something under controlled conditions.

• data

• experiment

• hypothesis

• science

the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws and principles that can be verified or tested.

• model

• hypothesis

• science

• experiment

the process of obtaining information by using the senses.

• model

• observation

• science

• hypothesis

the explanation for some phenomenon that is based on observation, experimentation, and reasoning that is supported by a large quantity of evidence and that does not conflict with any existing experimental results or observations

• hypothesis

• theory

• science

• experiment

any factor that can change in an experiment, observation, or model.

• science

• experiment

• theory

• variable