nes: properties of living things: searching for life on mars · 9/15/2011 · offered by third...
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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
September 15, 2011
NES: Properties Of Living Things:Searching For Life On Mars
Presented by: Marti Phipps
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Properties Of Living Things:
Searching For Life On Mars
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Introduction
• Use personal definition of life to determine if life exists in three soil samples.
• Make observations and illustrate findings
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National Standards• Science as Inquiry• Chemical Reactions• Structure and Function in Living Systems
• Cells and Biological Evolution• Earth’s history
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ObjectivesStudents will:• Form an operational definition of life.
• Conduct simulated experiment with soil samples similar to the experiments on the Mars Viking Lander.
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ObjectivesStudents will:• State relationships between the soil samples using their operational definition of life.
•Make an inference about the possibility of life on Mars based on data obtained.
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NASA Connectionhttp://nasaed.okstate.edu/nes/e‐
PD/Live/SearchingForLifeOnMars/Looking_For_Life.mov
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Phoenix Mars Lander
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Earth
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Mars (Apollo 1)
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Viking on Mars
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Living?
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Conditions• Water• Energy
–Chemical–Geothermal
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Conditions• Water• Energy
–Chemical–Geothermal
• Bio‐signatures–Carbon
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Let’s pause for questions from the audience
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Is it alive?
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Discussion Questions
• What are some characteristics of living things?
• What are some characteristics of nonliving things?
• How are living things different from nonliving things?
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Fundamental CriteriaFor Life Chart
• Criteria:• Criteria:• Criteria:• Criteria:• Criteria: • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria:• Criteria:• Criteria:• Criteria: • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria:• Criteria:• Criteria: • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria:• Criteria: • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: Obtain and use energy? • Criteria:
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Fundamental CriteriaFor Life Chart
• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: Obtain and use energy? • Criteria: Made up of cells?
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Fundamental CriteriaFor Life Chart
• Criteria:• Criteria:• Criteria:• Criteria:• Criteria: • Criteria:
React to its environment?Adapt to its environment?Reproduce?Grow?Obtain and use energy? Made up of cells?
React to its environment?Adapt to its environment?Reproduce?Grow?Obtain and use energy? Made up of cells?
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Let’s pause for questions from the audience
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It’s Alive• Students will take three different soil samples and look for signs of life based on their criteria.
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Data Charts
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ProceduresJar 1:
• Fill with 50mL of soil• Add 5 mL sugar
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Procedures• Jar 2:• Fill with 50mL of soil• Add 5 mL instant active dry yeast and 5mL sugar
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Procedures• Jar 3:• Fill with 50mL of soil• Add 5 mL sugar• Add the powdered Alka‐Seltzer
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Extensions• Getting There (Navigation and Trajectory)
• Tricky Terrain (Investigating Planetary Soils
• Lava Layering (Making and mapping a volcano)
• Mapping Mars (Geologic Sequence of Craters and River Channels)
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Get your credit
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