Exploring Spheres
A Grade 7 math worksheet focusing on the properties and formulas related to spheres.
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Exploring Spheres
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. A sphere is a perfectly round three-dimensional object, where every point on its surface is equidistant from its .
2. The distance from the center of a sphere to any point on its surface is called the .
3. The formula for the volume of a sphere is V = .
4. The formula for the surface area of a sphere is A = .
5. Which of the following objects is a sphere?
A shoebox
A basketball
A pyramid
A soup can
6. If the radius of a sphere is 3 cm, what is its diameter?
3 cm
6 cm
9 cm
12 cm
7. A sphere has a radius of 7 meters. Calculate its volume. Use \(\pi \approx \frac{22}{7}\).
8. Find the surface area of a sphere with a radius of 5 inches. Use \(\pi \approx 3.14\).
9. Explain the difference between a sphere and a circle.
10. Consider the sphere shown below with a radius of 4 cm.
a) Calculate the volume of the sphere. (Use \(\pi \approx 3.14\))
b) Calculate the surface area of the sphere. (Use \(\pi \approx 3.14\))
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