Students explore the science behind an intriguing planetary feature by creating saline solutions and then observing what happens when the solutions evaporate.

Students explore the science behind an intriguing planetary feature by creating saline solutions and then observing what happens when the solutions evaporate.

In this illustrated problem set, students use pi to compare the sizes of Mars landing areas, calculate the length of a year for a distant solar system object, measure the depth of the ocean from an airplane, and determine the diameter of a debris disk.

In this illustrated problem set, students use pi to compare the sizes of Mars landing areas, calculate the length of a year for a distant solar system object, measure the depth of the ocean from an airplane, and determine the diameter of a debris disk.