Objectives
This unit will integrate Earth, Life, and Physical Science through the study of Astrobiology. It is intended for middle school students. Some basic math and measurement skills will be needed for the activities. Students will examine the reasons Earth has life and the other planets in our Solar System do not have life as we know it. They will identify the critical elements needed to sustain life and the factors that contribute to Earth's ability to support these plants, animals, and microorganisms. This unit will first examine definitions of life and then the factors that support this life. My students will create a "planetary shopping list".
Students will discover that life requires a supply of liquid water, a source of energy, and specific nutrients to survive. This will lead into studying how the Earth, its atmosphere, and the Sun provide these necessities. The New Mexico State Performance Standards that address these concepts are: "Explain why Earth is unique in our Solar System in its ability to support life" and "Explain how energy from the Sun supports life on Earth". By relating our lessons to the overarching question, "Why Earth", I hope to keep students' interest high and keep them focused.
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