Sphere - practice for 12 year olds
Number of problems found: 60
- Helium balloon
Oscar needs to fill a sphere-shaped balloon with helium. If the balloon has a diameter of 8 inches, what is the total amount of helium that the balloon will hold to the nearest tenth? - Iron ball 2
What is the mass of the iron ball with a diameter of 1,0 dm? The density of iron is 7870 kg/m³. . - Calculate
Calculate a sphere's volume and surface area with a diameter of 15 m. - Sphere VS
Find the surface and volume of a sphere with a radius of 2 dm.
- Calculate 24881
Calculate a sphere's volume and surface area with a radius of 23dm. - Calculate 21163
Calculate the volume and surface area of the sphere if given r = 36mm - Calculate 4581
Calculate the surface and volume of the sphere if r = 5cm. - Calculate 4580
Calculate the surface and volume of the sphere if the diameter d = 6.5dm - The reservoir
The reservoir has the shape of a sphere with a diameter of 7.5 m. How many hectoliters can max fit in a reservoir?
- Gas sphere
The gas tank has the shape of a sphere with a diameter of 14 m. How many m³ of gas will fit in it? - Calculate 41881
The volume of the sphere is 803.84m³. Calculate its surface. - Inflating 22523
The diameter of the ball is 65cm. What will be the volume of air in the ball after inflating? - Calculate 4582
Calculate the surface of a sphere whose volume is 33.9 cm cubic. - Clay balls
How many can clay balls with a radius of 1 cm be made from a ball of clay with a radius of 8 cm?
- Planet Earth
What is the weight of the planet Earth if its average density is ρ = 2.5 g/cm³? - Volume of sphere
How many times does the volume of a sphere increase if its radius increases two times? - Twice of radius
How many times does the surface of a sphere decrease if we reduce its radius twice? - Decimetres 72974
What is the diameter of a 1m³ sphere? Write in decimetres - Surface 40621
The surface of the sphere is 535 m². What is its volume?
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