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Searching for Life

About thislesson

Science must have a working definition of life. These activities encourage students to think about the characteristics of life and about the possibility of looking for life on Mars. The first three activities from Destination: Mars set up criteria for recognizing life. The other activities use the criteria for more advanced investigations.

Destination: Mars Activity Packet

Searching for Life: An Introduction

Imaginary Martians: What Kind of Life Are We Really Looking for on Mars?

Looking For Life:Develop Criteria for Recognizing Life

Mars Critters: Design a Critter That Could Live in an Extreme Environment

Wolf Trap: A Simple Test for Presumed Life

Stopped Dead in Its Tracks: Test for Presence of Organic Material

The Nose Knows: Organic Detection Through the Sense of Smell


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