1. WORKSHEET
Group : …..
Group Member :
1. ………………………………………
2. ………………………………………
3. ………………………………………
4. ………………………………………
5. ………………………………………
DETERMINE THE FORMULA OF THE SURFACE AREA OF A SPHERE
Tools and Materials
Orange, glue, compass, pencil
Steps
1. Make circle with the same radius with orange (4-6 circles)
2. Peal the orange and set the orange peel until cover the circle then you get some
circles will covered kulit jeruk.
3. How many the number of circles that you got?
4. What your conclusion about the surface area of sphere?
The area of sphere = ….. × the area of circle
=