Grade 8 Science: Calculations Worksheet
This worksheet provides practice problems for grade 8 students on scientific calculations, including significant figures, scientific notation, and unit conversions.
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Standards
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Grade 8 Science: Calculations
Name:
Date:
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Carefully read each question and provide your answer in the space provided. Show all your work for calculations.
1. The number of significant figures in 0.00520 is .
2. Round 12.3456 to three significant figures: .
3. When multiplying or dividing, the answer should have the same number of significant figures as the measurement with the number of significant figures.
1. Write the number 45,000,000 in scientific notation.
2. Convert 3.2 x 10^-5 to standard notation.
1. How many centimeters are in 2.5 meters?
25 cm
250 cm
0.025 cm
2500 cm
2. Convert 500 milliliters to liters.
5 L
0.5 L
50 L
0.005 L
1. An object has a mass of 25 grams and a volume of 5 cm³. Calculate its density. (Density = Mass/Volume)
2. If a liquid has a density of 1.2 g/mL and a volume of 10 mL, what is its mass?
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