Front

A prediction about a problem that can be tested is __________.

Back

Hypothesis

Front

Why was the original theory of disease modified after the invention of the microscope?

Back

New evidence prompted revision to the original ideas.

Front

The correct order of the steps of the scientific method is _______________.

Back

Ask a question, hypothesis, experiment, collect data and analyze.

Front

A _ is a standard used for comparison; it is kept in 'normal' conditions.

Back

Control group

Front

Scientific laws...

Back

describe.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.

Front

What is the purpose of a control group in an experiment?

Back

To provide a standard for comparison against the experimental group.

Front

What is the difference between a scientific theory and a scientific law?

Back

A theory explains why something happens, while a law describes what happens.

Front

What is the role of evidence in scientific inquiry?

Back

Evidence is used to support or refute hypotheses and theories.

Front

What is an independent variable?

Back

The variable that is changed or controlled in an experiment.