Big Ideas 1 and 2: Nature and Practice of Science

Front

Why is it important for scientists to communicate their results?

Back

To learn from each other.

Front

What must be true for scientific results to be valid?

Back

The results should be based on evidence.

Front

What additional information should a scientist collect to support her explanation about fish population decline?

Back

The average water temperature.

Front

What are students doing when they record the number of vehicles passing by?

Back

Observing.

Front

Why does Andreas repeat his investigation several times?

Back

To get consistent results.

Front

What is the definition of 'hypothesis'?

Back

A proposed explanation for a phenomenon, based on limited evidence.

Front

What does 'data' refer to in scientific research?

Back

Facts and statistics collected for reference or analysis.

Front

What is the purpose of a scientific experiment?

Back

To test a hypothesis and gather data.

Front

What is 'observation' in the context of science?

Back

The act of noticing and describing events or processes in a careful, orderly way.

Front

What is a 'variable' in an experiment?

Back

A factor that can change in an experiment.