Chemical Measurements (AQA GCSE Chemistry Combined Science): Flashcards

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Chemical Measurements
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Term for inexactness in chemistry measurements

Uncertainty

Meaning of uncertainty in measurements

Measurement might not be exactly right

What affects measurement accuracy

Precision of the instrument

Feature of more precise instruments

Smaller units of measurement

Effect of more precise instruments on accuracy

More accurate measurements

How to reduce uncertainty

Take multiple measurements

What to calculate from multiple measurements

The average

Why average measurements

Balances out errors, gives more accurate result

100 cm3\text{cm}^3 water measured: actual range?

99.5 cm3\text{cm}^3 to 100.5 cm3\text{cm}^3

Explore AQA GCSE Chemistry Combined Science Revision Notes by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

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Measurement, Mass & Equations

Calculating Mass of Substances

Explore AQA GCSE Chemistry Combined Science Quizzes by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Explore AQA GCSE Chemistry Combined Science Exam Questions by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

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