TeachWhizz

Mastering Density & Pressure

Mathematics
Grade 7
11 questions
~22 mins
0 views0 downloads

About This Worksheet

A worksheet covering concepts of Density and Pressure, emphasizing ratios, proportions, and rates of change suitable for Grade 7 students.

Topics covered:

#Mathematics
#Density & Pressure

Worksheet Preview

Full preview • 11 questions

Mastering Density & Pressure

Subject: MathematicsGrade: Grade 7
Name:
Date:

Untitled Worksheet

Grade Grade 7
A

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the density of an object that has a mass of 60 grams and a volume of 15 cubic centimeters.
[2 marks]
2.
If a container holds 200 liters of water, and the pressure exerted is 300 Pascals, what is the rate of pressure per liter?
[2 marks]
3.
A block with a mass of 120 grams displaces 30 cm^3 of water. What is its density?
[2 marks]
4.
A pressure of 150 Pascals is exerted on a surface area of 3 m^2. What is the pressure per square meter?
[2 marks]
5.
What is the ratio of mass to volume for an object with a mass of 80 grams and volume of 20 cm^3?
[1 mark]
6.
If the density of a material is 5 g/cm^3, what is its mass if its volume is 10 cm^3?
[2 marks]
7.
A tank contains 500 liters of oil. If the pressure exerted by the oil is 2500 Pascals, what is the pressure per 100 liters?
[2 marks]
8.
A sponge absorbs 60 grams of water and has a volume of 30 cm^3. What is its density?
[2 marks]
9.
A rectangular block measures 10 cm by 4 cm by 2 cm. Its mass is 80 grams. Calculate its density.
[2 marks]
10.
Challenge: A cylindrical tank with a volume of 1000 liters exerts a pressure of 2000 Pascals. What is the pressure per liter? If the tank is half full, what is the new pressure per liter?
[3 marks]
11.
Real-world Application: A submarine exerts a pressure of 3 million Pascals at a depth where the water pressure is 30 atmospheres. Given that 1 atmosphere equals 101,325 Pascals, how deep is the submarine?
[3 marks]

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Details

Created
12/30/2025
Updated
12/30/2025
Type
worksheet
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