live interactive your desktop november 30, 2011 nes: properties of living things: searching for...
DESCRIPTION
Introduction Use personal definition of life to determine if life exists in three soil samples. Make observations and illustrate findingsTRANSCRIPT
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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
November 30, 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
Presented by Marti Phipps
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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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Mars Reconnaissance Orbiter Mars Odyssey
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Earth
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Mars (Apollo 1)
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Viking on Mars
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Mars Rovers
Spirit and Opportunity Curiosity
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Rovers
Spirit/Opportunity2004
Sojourner 1997
Curiosity2011
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Review• What three types of spacecraft have
gone to Mars?
• Can you name an Orbiter? Lander? Rover?
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Let’s pause for questions from the audience.
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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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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 Criteria for Life Chart
• Criteria:• Criteria:• Criteria:• Criteria:• Criteria: • Criteria:
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• Criteria: React to its environment?• Criteria:• Criteria:• Criteria:• Criteria: • Criteria:
Fundamental Criteria for Life Chart
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• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria:• Criteria:• Criteria: • Criteria:
Fundamental Criteria for Life Chart
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• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria:• Criteria: • Criteria:
Fundamental Criteria for Life Chart
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• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: • Criteria:
Fundamental Criteria for Life Chart
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• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: Obtain and use energy? • Criteria:
Fundamental Criteria for Life Chart
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• Criteria: React to its environment?• Criteria: Adapt to its environment?• Criteria: Reproduce?• Criteria: Grow?• Criteria: Obtain and use energy? • Criteria: Made up of cells?
Fundamental Criteria for Life Chart
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Let’s pause for questions from the audience.
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Materials• Sand or sandy soil sample• 3 glass vials (baby food jars or beakers
for soil samples)• Sugar – 5ml will be added to soil• Instant active dry yeast – 5ml will be
added to 50 ml of soil• Alka-Seltzer tablets crushed – 1 tablet
will be added to 50 ml of soil
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More about Materials• Hot water – enough to cover the top of
the soil in all jars • In regards to the hot water, make sure it
is not hot enough to kill the yeast!• Cups for distributing the water• Enough magnifying lens so that each
group can have at least one or more• Copy of the student recording sheets
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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 50 mL soil• Add 5 mL sugar
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ProceduresJar 2:•Fill with 50 mL soil•Add 5 mL instant active dry yeast and 5 mL sugar
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ProceduresJar 3:•Fill with 50 mL soil•Add 5 mL sugar•Add the powdered Alka-Seltzer
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Student PowerPoint
http://explorerschools.nasa.gov
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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)
http://ares.jsc.nasa.gov/ares/education/program/DestMars/destmars.pdf
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Where is the website?
NASA’s Virtual Campuswww.explorerschools.nasa.gov
http://ares.jsc.nasa.gov/ares/education/program/DestMars/destmarsLes5.pdf
NASAExplorerSchools
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Mars for Educators
http://marsprogram.jpl.nasa.gov/participate/marsforeducators/
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Get Your Credit
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Fully participate in seven Live Web Seminars and complete the survey on the Virtual Campus for each and earn one CEU.complete fourteen and earn two CEUs.
Live Web Seminar must be completed between July 15 - June 30.
CEU eligibility will be evaluated in December and June of each year, and CEU certificates will be issued in January and July.
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