Classroom Activity

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Key Topic: Differentiation

Future outposts on the moon will require lunar surface equipment to maintain communications with Earth. Students will use differentiation - chain rule to derive a solution to this space exploration problem.

Students will
  • derive the formula for calculating the line of sight distance to a horizon tangent point;
  • derive the distance along a surface to a tangent point; and
  • use derivatives to find the rates of change of two or more variables that are changing with respect to distance.

> Lunar Surface Communications Educator Edition (PDF 250 KB)
> Lunar Surface Communications Student Edition (PDF 147 KB)