Grade 7 Science: Understanding Density
A comprehensive worksheet for 7th-grade science students to understand and apply the concept of density, including calculations and real-world examples.
Includes
Standards
Understanding Density
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work for all calculations.
1. Density is a measure of how much is contained in a given .
2. The formula for density is divided by .
3. Objects with a higher density than water will , while objects with a lower density will .
1. Which of the following units is commonly used to express density?
grams
liters
g/cm³
meters
2. An object has a mass of 50 grams and a volume of 10 cm³. What is its density?
0.2 g/cm³
5 g/cm³
500 g/cm³
60 g/cm³
1. Explain why a large log floats on water, but a small pebble sinks.
2. Describe how you would find the density of an irregularly shaped object.
1. Mass and volume are directly proportional to each other for a given substance.
True
False
2. Adding more mass to an object without changing its volume will decrease its density.
True
False
Solve the following density problems. Show all your work and include appropriate units.
1. A rock has a mass of 120 grams and a volume of 40 cm³. What is its density?
Formula:
Calculation:
Answer:
2. A block of wood has a density of 0.8 g/cm³ and a volume of 200 cm³. What is its mass?
Formula:
Calculation:
Answer:
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