Biology General Unit 1: Intro. to Life Science

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Life Science

The study of living things.

Observation

The process of using one or more scenes to gather information.

Quantitative Observation

An observation that deals with characteristics that cannot be expressed in numbers.

Qualitative Observation

An observation that deals with a number or amount.

Inference

The process of making inferences and interpretation based on observations and knowledge.

Prediction

Forecasting what will happen based on past experiences or evidences.

Model

Creating representations of complex objects or processes.

Scientific Inquiry

The diverse ways in which scientists study the natural world and propose explanations based on evidence they gather.

Hypothesis

An educated guess.

Variable

Factor in an experiment that can change.

Manipulated Variable

The one factor that a scientist changes during an experiment.

Responding variable

The factor that changes as a result of changes to the manipulated and independent variable in an experiment.

Density

Mas per unit volume. More compact, the denser the material is.

Metric System

Base ten number system.

Experimental Group

Actually does experiment.

Control Group

Used to minimize the unintended influence of other variables on the same system. (gets placebo)

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