8.8 Cones, Cylinders, & Spheres

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=020b15ec24360b23395f3a537d114f8546e75efc1d73c1513c7c430c79aea5b6

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=d9bf03e5e36fc8c836a6626cd8fae4c1a5b2bc646058ba3afa347415060799cc

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=e2a84eff94c70c5255e9b8ff63c5b9fb0d5f5e9ff5f6c3b1881c632af2a3edec

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)