**Product Type:** Lesson Plan/Activity

**Audience:** Educators

**Grade Levels:** 6-8

**Publication Year:** 2011

**Subjects:**

Mathematics: Computation and Estimation; Data Analysis and Probability; Fractions and Decimals; Problem Solving

General Science: Energy Heat and Magnetism; Light; Solar System and Stars; Space Vehicles

Space Science: Lunar and Planetary Explorations; Planetary Spacecraft; Solar System and Planets - Pluto

Technology: Communication; Space Vehicles

Students are introduced to the terms "signal" and "noise" in the context of spacecraft communication. This hands-on activity includes an online interactive to explore the Signal-to-Noise Ratio, a fundamental concept in spacecraft communication. The lesson's pencil-and-paper component addresses relevant topics such as proportions and ratios.

By the end of this lesson, students will be able to:

- Understand the terms"signal" and "noise" in the context of spacecraft communications.
- Quantify noise using a given data set.
- Calculate the signal-to-noise ratio.

This lesson includes teacher and student pages.

Signals and Noise Ratio [632KB PDF file]

See also:

Earth Calling...

Signals and Noise, Oh Boy!