Flashcard# 1 Scientific Method, Ch1 F2024

Front

What is the Scientific Method?

Back

A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What are significant figures?

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

How do you determine the number of significant figures in a number?

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in a decimal number.

Front

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

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To provide a standard for comparison, ensuring that the results are due to the variable being tested.

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What is a hypothesis?

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A testable prediction about the relationship between variables in an experiment.

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What is the difference between qualitative and quantitative data?

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

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What is the formula for calculating the result of 7.987 m - 0.54 m?

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7.45 m, rounded to the correct number of significant figures.

Front

Who was Galileo Galilei?

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An Italian astronomer known for using a telescope to observe celestial bodies and supporting the heliocentric model.

Front

What is the significance of the number 100.00 in terms of significant figures?

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It has 5 significant figures, indicating a precise measurement.

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What is an experiment in the context of the scientific method?

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A procedure carried out to test a hypothesis and observe the effects of changing one or more variables.