Scientific Method and Units of Measurement

Front

What is the scientific method?

Back

A logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and formulating theories that are supported by data.

Front

What are qualitative observations?

Back

Descriptive observations that do not involve numbers.

Front

What are quantitative observations?

Back

Numerical observations that involve measurements.

Front

What is a hypothesis?

Back

A testable statement often formulated as an 'if-then' statement based on generalizations from data.

Front

What is the purpose of testing hypotheses?

Back

To provide data that supports or refutes a hypothesis or theory through experimentation.

Front

What are controls in an experiment?

Back

Experimental conditions that remain constant.

Front

What are variables in an experiment?

Back

Experimental conditions that change.

Front

What is a model in science?

Back

An explanation of how phenomena occur and how data or events are related, which can be visual, verbal, or mathematical.

Front

What is a theory?

Back

A broad generalization that explains a body of facts or phenomena.

Front

What is the SI measurement system?

Back

A single measurement system agreed upon by scientists worldwide, known as Le Système International d’Unités.