Tuesday, 31 January 2012

Thurs Feb 2nd - Volume and Surface Area of a Sphere

LEARNING OBJECTIVE: To learn and use the formulae for the volume and surface area of a cone

SUCCESS CRITERIA: You will be able to solve problems involving surface area and volume of a sphere

STARTER: Four cubes of ice with an edge 4 cm each are left to melt in a cylindrical glass with a radius of 6 cm. How high will the water rise when they have melted?

LESSON: Work through the Sphere section of this lesson.

Then work through Ex 11H in Higher text book.

EXTENSION PROBLEM: A cylindrical container with a radius of 5 cm and a height of 10 cm is filled with water. If the total mass of the filled container is 2 kg, what is the mass of the empty container?

PLENARY: Check Answers. Have a go at Question 7 on page 261

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