Practice - Activity
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Practice Questions
Test your understanding with targeted questions
What is the SI unit for time?
💡 Hint: Think of the smallest unit typically used to measure time.
Name a tool that measures length.
💡 Hint: Consider tools used in school for measurements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the SI unit of mass?
💡 Hint: Consider the standard unit used in scientific measurements.
True or False: A vernier caliper can measure to the nearest millimeter.
💡 Hint: Think about the precision of measurement devices.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If you measured the diameter of a round table using a vernier caliper and obtained 70 cm with a possible error of ±0.02 cm. How would you present this measurement?
💡 Hint: Consider how to express your measurements with their accuracy.
A block of metal is measured to be 300 g and takes up a volume of 100 cm³. At a different time, the same experiment yields a density of 2.5 g/cm³. What might have caused the discrepancy?
💡 Hint: Think about how errors can occur in measurements.
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