8.8 Cones, Cylinders, & Spheres
Beginning Lesson
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
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
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)