Science Calculations Worksheet
A Grade 10 Science worksheet focusing on calculations, unit conversions, significant figures, and scientific notation.
Includes
Standards
Topics
Science Calculations
Name:
Date:
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Read each question carefully and provide your answers in the space provided. Show all your work for calculations.
1. The number of significant figures in 0.0050 g is .
2. When multiplying or dividing, the answer should have the same number of significant figures as the measurement with the number of significant figures.
3. Round 12.3456 to four significant figures: .
1. Convert 750 milliliters (mL) to liters (L). Show your calculation.
2. A car travels at a speed of 60 km/h. Convert this speed to meters per second (m/s). Show your calculation.
1. Which of the following numbers is expressed in correct scientific notation?
12.5 x 10^3
0.5 x 10^-2
2.7 x 10^5
345 x 10^1
2. The number 0.0000045 in scientific notation is:
4.5 x 10^6
4.5 x 10^-6
45 x 10^-7
0.45 x 10^-5
1. A student measures the mass of a substance to be 15.67 g and its volume to be 2.3 mL. Calculate the density of the substance, reporting your answer with the correct number of significant figures.
2. If the speed of light is approximately 3.00 x 10^8 m/s, how long does it take for light to travel 1.50 x 10^11 meters (the approximate distance from the Earth to the Sun)? Report your answer in scientific notation with the correct number of significant figures.
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