Scientific Figures Worksheet
A Grade 12 science worksheet focusing on understanding and applying scientific figures in measurements and calculations.
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Scientific Figures Worksheet
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Date:
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Read each question carefully and provide your answers in the space provided. Pay close attention to the rules of scientific figures (significant digits) when performing calculations and reporting your final answers.
1. How many significant figures are in the measurement 0.005070 grams?
3
4
5
7
2. When multiplying 12.5 cm by 2.0 cm, what is the correct answer with the appropriate number of significant figures?
25 cm²
25.0 cm²
25.00 cm²
25.000 cm²
3. Leading zeros (those before non-zero digits) are significant.
4. Trailing zeros are significant only if the number contains a point.
5. Explain the difference between precision and accuracy in scientific measurements.
6. All non-zero digits are always significant.
True
False
7. In addition and subtraction, the result should have the same number of decimal places as the measurement with the fewest decimal places.
True
False
8. Perform the following calculation and report your answer with the correct number of significant figures:
(5.30 g + 2.1 g) / 3.00 mL = ?
9. A rectangular prism has a length of 10.2 cm, a width of 5.0 cm, and a height of 2.15 cm. Calculate its volume with the correct number of significant figures.