Mission to Mars - 04: Working on the Surface

LEARNING GOAL: The surface of Mars is much more hostile than it might appear. In fact, if you were walking around in your jeans and a t-shirt your blood would *ahem* boil away <that would be bad>

Inquire of your most gracious and humble study person as to why your blood would boil on Mars without an appropriate space suit?

OPENING QUESTION: Hopefully you are reading this with a friend online:

Have a conversation with your study friend and have them suggest the weight of the Atmosphere (in pounds or Newtons) that we experience on every square inch of ourselves here on Earth during our day to day life.

WORDS O' THE DAY:

  • Sol (The Sun's proper name)
  • Solar System (Everything that orbits Sol, our sun)
  • Mars (The 4th planet from the sun)
  • Magnetic Field (Lines of magnetic force)
  • Atmosphere (Gas surrounding a planet or <on rare occasions, moons>)
  • Atmospheric pressure (the weight of an atmosphere per unit area)

CALENDAR:

  • As I mentioned in today's class, there have been some difficulties with the current "office hours" schedule so the school is moving to three (3) hour "blocks" of time. Two (2) of those hours will be available for you to drop in and ask questions or just shoot the breeze. The third hour will be the time I'm taking role, and my expectation is that you will be there. This schedule will be sent out by the school soon:

  • Monday

    9:00-12:00

    Science

    Tuesday

    9:00-12:00

    Special Education

    Wednesday

    9:00-12:00

    English

    Thursday

    9:00-12:00

    Social Studies

    Friday

    9:00-12:00

    Math

     

     

     

    Monday

    11:30-2:30

    World Language

    Tuesday

    11:30-2:30

    Visual Arts/Ceramics

    Wednesday

    11:30-2:30

    PE/Computer Science

    Thursday

    11:30-2:30

    Performing Arts

    Friday

    11:30-2:30

    CTE/Health

  • The science "block" is from 9:00 to 12:00 on Mondays.

  • I will post additional "office hours" twice a week, usually at 2:30. Watch the schedule.

  • Grading will start soon. The state is telling us we MUST grade undergraduates from now until the end of the year. It will be fairly gentle. For example, The Seattle School District announced it is grading on A/Inc scale: You do the work, you get an A, you don't do the work you get an incomplete. Stayed tuned.

  • AWESOME NEWS! Evelyn Lundeen is a former physics student of mine who graduated from the Colorado School of Mines in Environmental Engineering last summer. She has volunteered to talk to you folks and she will be joining our *mandatory* Zoom class at 11:00 AM on Monday, April 27. Please come prepared with questions.

WORK O' THE DAY

Opening Question:

Your blood would boil because there isn't enough air pressure to keep your blood/plasma molecules close enough together to form a liquid. Without that pressure, the blood/plasma molecules would drift away from each other and *poof* you have a gas.... instant boiling blood. *yeeeccccccchhhhhh*

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I'll review the pressure problem and post student examples between 9:00 and 11:00 Monday morning.

Please do watch "The Martian" if you have access to it.

Also, please watch the first episode of "Mars" if you have streaming on Amazon Prime, Hulu or Netflix (it's FREE there!)

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Yesterday's work was ALL about the atmosphere that shields the Earth from NASTY radiation from the sun, meteors and other assorted nastiness; and sorta kinda barely shields the Martian surface from the same.

 

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SpaceSuit Investigations:

Research:

    • Basic: Draw a sketch and add a sentence or two description of why would your blood "boil" (go right from liquid to gas) if you walked around the surface of Mars wearing jeans and t-shirt?

    • Intermediate: Draw a sketch and a somewhat more in-depth paragraph (including actual data of the conditions on the surface of Mars) that describes why your blood would boil on Mars.

Watch THIS Spacesuit Analysis TED Talk by MIT Aerospace Biomedical Engineer Dava Newman (yup, that's all... just WATCH it)

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Analysis: Compare & Contrast

    • Consider this image of the spacesuit used by our hero on the surface of Mars:

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The costume designers worked closely with NASA engineers to develop that costume. It might interest you to know that we haven't actually been able to develop such a suit (yet)... Although we're getting close.

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Do a wee bit of research and:

  • Create a google doc bulleted list to compare how those two suits are similar.

  • On that same google doc, please then create a second bulleted list to contrast how those two suits are different.

    then please submit a link to that document to our regular submission page HERE (physics) or HERE (aerospace). PLEASE PLEASE PLEASE DON'T forget to give me read/write access. If you don't, I can't read it and I'll just mark it IE --incomplete Evidence)