CH 1 : Worksheet 1 - Scientific Method

Front

What is a hypothesis?

Back

A hypothesis is an educated guess that provides a testable explanation for a phenomenon.

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Do scientific theories change over time?

Back

False. Scientific theories can change as new evidence is discovered.

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What is the name of the information collected from an experiment?

Back

Data. Data is organized into charts and graphs for analysis.

Front

What is the scientific method?

Back

A series of steps used by scientists to solve problems or answer questions.

Front

What is a testable explanation to a problem that has not yet been tested?

Back

Hypothesis.

Front

What is the purpose of a control in an experiment?

Back

To provide a standard for comparison against the experimental group.

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What is an observation in scientific research?

Back

An observation is the act of noting and recording something using the senses.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics, while quantitative data involves numerical measurements.

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What is a variable in an experiment?

Back

A variable is any factor that can change in an experiment.

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What is the independent variable?

Back

The independent variable is the factor that is manipulated or changed in an experiment.