Unit 1 Vocab Terms

Factor in a controlled experiment that is deliberately changed.

• Independent variable

• Hypothesis

• Dependent variable

• Constant

Possible explanation for a set of observations or possible answers to a scientific question.

• Observation

• Hypothesis

• Law

• Theory

A logical interpretation based on prior knowledge and experience.

• Hypothesis

• Observation

• Inference

• Theory

Variable that is observed and that changes in response to the manipulated variable.

• Independent variable

• Control group

• Dependent variable

• Constant

The combination of chemical reactions through which an organism builds up or breaks down materials.

• Metabolism

• Stimulus

• Evolve

• Data

Scientific study of life.

• Chemistry

• Zoology

• Physics

• Biology

Group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable.

• Controlled experiment

• Dependent variable

• Control group

• Independent variable

Well-tested explanation that unifies a broad range of observations and hypotheses, enabling scientists to make accurate predictions about new situations.

• Hypothesis

• Theory

• Law

• Observation

Signal to which an organism responds.

• Stimulus

• Hypothesis

• Observation

• Metabolism

Genetic material that organisms inherit from their parents.

• Biology

• Evolution

• DNA

• Metabolism