Advanced Scientific Calculations Worksheet
This worksheet provides problems to practice advanced scientific calculations, dimensional analysis, significant figures, and unit conversions relevant to Grade 12 science.
Includes
Standards
Advanced Scientific Calculations
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Read each question carefully and show all your work. Pay close attention to significant figures and units. Use a scientific calculator when necessary.
1. Convert 75.0 miles per hour to meters per second. Show your dimensional analysis steps. (1 mile = 1609.34 meters, 1 hour = 3600 seconds)
2. A chemical reaction produces 2.50 L of gas at STP. What is this volume in cubic centimeters? (1 L = 1000 cm³)
3. How many significant figures are in the measurement 0.003050 grams?
3
4
5
7
4. Perform the following calculation and express the answer with the correct number of significant figures: (12.50 g + 0.075 g) / 2.3 g/mL
5.467 mL
5.47 mL
5.5 mL
5 mL
5. Express the number 0.000000000056 in scientific notation:
6. Convert 3.14 x 10^8 to standard notation:
7. A car travels at a constant speed of 90.0 km/h. How long will it take to travel 450 meters? Express your answer in seconds.
8. Calculate the density of a substance if 25.0 mL of the substance has a mass of 27.8 grams. Report your answer with the correct units and significant figures.
9. When adding or subtracting numbers, the answer should be rounded to the least number of decimal places.
True
False
10. The prefix 'nano' represents 10^-6.
True
False