Science Calculations Worksheet
A Grade 7 science worksheet focusing on basic calculations, unit conversions, and formula application.
Includes
Standards
Science Calculations
Name:
Date:
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Read each question carefully and show your work for all calculations. Remember to include appropriate units in your answers.
1. The base unit for mass in the metric system is the .
2. To convert meters to centimeters, you need to by 100.
3. Density is calculated by dividing by volume.
1. Which of the following is the correct formula for calculating speed?
Speed = Distance × Time
Speed = Time ÷ Distance
Speed = Distance ÷ Time
Speed = Distance + Time
2. How many milliliters are in 2.5 liters?
25 mL
250 mL
2500 mL
25000 mL
1. A car travels a distance of 180 kilometers in 3 hours. Calculate its average speed.
2. An object has a mass of 50 grams and a volume of 10 cm³. What is its density?

1. The formula for calculating volume is length × width × height.
True
False
2. There are 1000 grams in 1 kilogram.
True
False
Match the unit prefixes with their corresponding multipliers.
1. Kilo-
a. 0.01
2. Centi-
b. 1000
3. Milli-
c. 0.001