Chemical Measurements (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
7 questions from this quiz
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Practise the questions
7 questions from this quiz
What does uncertainty mean in chemical measurements?
What does uncertainty mean in chemical measurements?
Measurement might not be exactly right
What affects how accurate a measurement is?
What affects how accurate a measurement is?
The precision of the measuring tool
What do more precise instruments have that makes them more accurate?
What do more precise instruments have that makes them more accurate?
Smaller units of measurement
How can scientists reduce uncertainty in measurements?
How can scientists reduce uncertainty in measurements?
Take multiple measurements
Why do scientists calculate the average of multiple measurements?
Why do scientists calculate the average of multiple measurements?
To get a more accurate result
What does averaging multiple measurements help to balance out?
What does averaging multiple measurements help to balance out?
Small errors in individual measurements
If you measure 100 cm³ with a cylinder, what range might it actually be?
If you measure 100 cm³ with a cylinder, what range might it actually be?
99.5 cm³ to 100.5 cm³