8.8 Cones, Cylinders, & Spheres

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=8f3fa49b7b49fb2bb8de3834b0c663e3a2d2170f930e81cb81a2992d0aa23a07

Belly of the Beast

Were megalodons godfathers of the sea? Students model the bodies of different sharks using cylinders, and explore how the volume of a cylinder changes when its dimensions change. They learn that the megalodon was a massive ocean beast, but that its size may ultimately have led to its downfall.

Topic: Geometry (G)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=83c31e2bacaa681912f019a88d53c7ef5d7f373690e306be218dbc37fef45346

Pony Up

How do you increase the horsepower of a car engine? Students calculate the volumes of different car cylinders, and explore ways to make engine even more powerful by changing the dimensions of an engine's internal geometry.

Topic: Geometry (G)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=cc3502173bf5ab62d3997822824ec0522ea4d5e471434d35a581b06d3323e3ac

Cheese That Goes Crunch

Which is better: crunchy or puffy Cheetos? Students calculate the surface area : volume ratio for each snack to determine which one tastes cheesier.

Topic: Geometric Measurement and Dimension (GMD), Geometry (G), Modeling with Geometry (MG)