Grade 12 Science: Conversions Worksheet
A Grade 12 science worksheet covering unit conversions, dimensional analysis, and practical applications in scientific contexts.
Includes
Standards
Grade 12 Science: Conversions
Name:
Date:
Score:
Read each question carefully and provide your answer in the space provided. Show all your work for conversion problems.
1. Dimensional analysis is a powerful problem-solving tool that helps convert units by using factors.
2. The SI unit for temperature is the , while the common unit in the United States is Fahrenheit.
3. To convert from liters to milliliters, you must by 1000.
1. How many seconds are in 3 days?
43,200 seconds
259,200 seconds
86,400 seconds
172,800 seconds
2. Which of the following is an equivalent conversion factor for 1 meter?
10 cm
1000 mm
0.1 km
100 km
1. Convert 55 miles per hour to meters per second. (1 mile = 1609.34 meters)
2. A chemical reaction produces 2.5 moles of product. If the molar mass of the product is 180 g/mol, what is the mass of the product in kilograms?
1. When converting units, it is acceptable to simply multiply or divide by the conversion factor without considering the units.
True
False
2. A conversion factor is a ratio of two equivalent quantities expressed in different units.
True
False
1. Explain the importance of using significant figures when performing unit conversions in scientific calculations. Provide an example to illustrate your explanation.
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