Overview:Written as a lesson plan for teachers, students completing this activity will learn about digital images and how satellites orbiting Earth send information and pictures to us over the Internet.

Learning Objectives:

By completing these activities the learner will:

• use a digital camera or scanner to put pictures on a computer or WWW homepage
• observe magnified digital images
• use graph paper to create digital information
• create an information transfer protocol and file compression strategy
• design encrypted messages or pictures
• decode a satellite image from space as a team
• discuss ways to improve digital image resolution and information exchange

Materials Needed:

• digital camera or Scanner and attached computer
• rectangular graph paper and colored markers or crayons
• An encrypted digital image of Sun in X-Rays from the Yohkoh satellite
• Hand Out for Team 1, Hand Out for Team2, Hand Out for Team 3, Hand Out for Team4 (print in portrait mode)
• OPTIONAL: spreadsheet program, image processing software, WWW access

Outline of the Activity

• Part One : Anticipatory Set
• Part Two: Exploration
• Part Three: Concept Introduction
• Part Four: Concept Application
• Extension Activities
• Data Pages

Back to Today's topic or On to the Lesson

Lesson designed by the YPOP Team