Measuring the Earth
High schoolers use geometry to determine the circumference of the Earth. Like Eratosthenes, students calculate time, distance and shadows cast in two different locations. They use this data and Euclidean geometry to figure the circumference.
3 Views 4 Downloads
Families of Parallel Lines and the Circumference of the Earth
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
9th - 10th Math CCSS: Designed
Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit about...
9th - 11th Math CCSS: Designed
How Much Does It Really Weigh - Enrichment 7.7
In this multiplying decimals activity, students research the weight of 10 common objects on Earth, then multiply by a decimal factor to find the weight of each object on the different planets. Students research how scientists calculate...
6th - 9th Math