Significant Figures Science Worksheet
A Grade 8 science worksheet covering the rules and application of significant figures in measurements and calculations.
Includes
Standards
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Significant Figures Practice
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Read each question carefully and follow the instructions. Show your work where applicable. Remember the rules for significant figures!
1. How many significant figures are in the measurement 0.00340 grams?
2
3
5
6
2. All non-zero digits are always .
3. Zeros between non-zero digits are .
4. Leading zeros (zeros before non-zero digits) are significant.
5. Determine the number of significant figures in each of the following measurements:
a) 12.05 cm:
b) 5000 kg:
c) 0.00780 L:
d) 2.50 x 10^3 m:
6. Trailing zeros are always significant.
True
False
7. Look at the ruler below. What is the measurement indicated by the arrow, reported with the correct number of significant figures?

8. Perform the following calculation and report your answer with the correct number of significant figures.
2.34 cm + 5.1 cm + 1.002 cm = ?