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September 6, 2011

NES: Engineering Design Process: On the Moon

Presented by: Jordan Snyder

Engineering Design Process: On the Moon

Applications for educatorsvia

NASAExplorerSchools

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These lessons feature:Educator EditionStudent EditionNASA Education Materialshttp://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/On_the_Moon_Guide.html

ORNASA Explorer Schools site http://www.nasa.gov/offices/education/programs/national/nes2/materials/index.html

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Engineering Design Process

Overview

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What is an Engineering Design?A. A way for you to be creativeB. Practical applications to real‐world problems

C. A process for learning beyond the traditional “text book”

D. All of the above

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Have you ever done Engineering Design in a class?

√ YesX No

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STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a SolutionSTEP 5:

Construct a Prototype or Model

STEP 6:

Test/Evaluate the Solution

STEP 7:

Share the Solution

STEP 8:

Refine the Design

Engineering Design Process

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STEP 1:

Define Problem

Step 1: Define the Problem

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STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

Step 2: Identify the Limits 

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STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

Step 3: Brainstorm

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STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a Solution

Step 4: Select your Solution

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STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a SolutionSTEP 5:

Construct a Prototype or Model

Step 5: Make a Model

NASAExplorerSchools

STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a SolutionSTEP 5:

Construct a Prototype or Model

STEP 6:

Test/Evaluate the Solution

Step 6: Test and Evaluate

NASAExplorerSchools

STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a SolutionSTEP 5:

Construct a Prototype or Model

STEP 6:

Test/Evaluate the Solution

STEP 7:

Share the Solution

Step 7: Share your Results

NASAExplorerSchools

STEP 1:

Define ProblemSTEP 2:

Identify Criteria/Constraints

STEP 3:

Brainstorm Solutions

STEP 4:

Select a SolutionSTEP 5:

Construct a Prototype or Model

STEP 6:

Test/Evaluate the Solution

STEP 7:

Share the Solution

STEP 8:

Refine the Design

Step 8: Redefine and Redesign

NASAExplorerSchools

What other method does this remind you of?A. SOH CAH TOAB. Web of LifeC. Scientific MethodD. Newton’s Laws

Let’s pause for questions from the audience

On the Moon Educator’s Guide: On Target

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Introduce the Challenge

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LCROSS Lunar CRater Observing and Sensing Satellite

Introduction Video

http://lcross.arc.nasa.gov/index.htm 

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LCROSSLunar CRater Observing and Sensing Satellite

http://lcross.arc.nasa.gov/index.htm 

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LCROSSResults Released!!

There IS evidence of water 

on the Moon

http://lcross.arc.nasa.gov/observation.htm

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Challenge Introduction• NASA sent a spacecraft crashing into the Moon’s surface to see if there was water below the surface. The plume of gas and dust kicked up will be evaluated to see if there is water or ice. 

• Today you will make a spacecraft that will be crashing down in a similar manner.  

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MaterialsEach Group will get:

• Index cards• Marble• Masking tape• Paper clip• Scissors

You will also have access to:• Fishing line• Target 

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Materials

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Brainstorm and Design

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Brainstorm and Design• How will you modify the cup?

•How will you remotely release the marble from the cup?

• When do you need to launch the marble so that it will hit the target?

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Build, Test, Evaluate, and Design

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Sample Zip Line

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Things to Think About:•The cup should travel slowly down the line. •The release line needs to be long enough.•The marble should stay in the cup during  the 

decent. •The marble should eject cleanly.•Aim for the target. 

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WARNING:DO NOT show this slide until AFTER the students 

have designed their own cups

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Sample Designs

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Discuss What Happened

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Discussion• What parts of your design were most important in getting the marble to hit the target?

• After testing, what changes did you make?• Describe the way your marble moved after you ejected it.

• How did today’s activity demonstrate Newton’s First Law?

• How is your challenge similar to NASA’s LCROSS mission to the moon? 

Let’s pause for questions from the audience

On the Moon Educator’s Guide: Feel the Heat

Applications for educatorsvia

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Introduce the Challenge

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Challenge Introduction• To survive long stays on the moon, astronauts will need to be protected from the moon’s frigid temperatures (‐250 degrees in the shade)

• One way to heat a building is to use the sun. Sunlight heats water – water runs thru pipes to heat the building

• What’s the best way to heat that water?

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MaterialsEach Group will get:

• Lamp• Light Bulb• Tubing• Water Supply Cup• Cup to Collect Water• Cardboard Backing

You will also have access to:• Electric Hot Water Heaters• Thermometer

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WARNING:Be careful to have students keep all electric 

devices away from any water source!!

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Brainstorm and Design

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Brainstorm and Design• What color should you make the tube and background (remind students about absorption)?

•How fast should the water flow through the tube?

•How might the speed affect its temperature?

• Can changing the orientation of the tube help the water absorb the sun’s heat?

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Build, Test, Evaluate, and Design

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Building a Water Heater

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Things to Think About:•Students may need help managing water leaks. •Remind them to record the temperature of the water in the pitcher just as it flows out of the tube.•Remember the tricks to increase temperature change (found in lesson)•The tube length may need to be adjusted.•The water flow may need to be adjusted. 

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Discuss What Happened

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Discussion• What was the best way to heat the water?• What factors contributed to maximum water heating?• Can we place the words “convection, conduction and radiation” anywhere in this experiment?

• If you were to do this again, what would you do differently?

• How could astronauts on the moon use this type of heating?  Could it be used in a space suit?  Why or why not? 

Let’s pause for questions from the audience

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Design Squad Extension Activities and Videos

More Activities-Offers many more engineering design challengesEducator Friendly-Video modeling of implementation of lessons in the classroom

Design Squad Nation

http://pbskids.org/designsquad/video/index.html

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NASA Explorer Schools

http://www.nasa.gov/offices/education/programs/national/nes2/home/index.html

NASAExplorerSchools

NASA Explorer Schools

http://www.nasa.gov/offices/education/programs/national/nes2/home/index.html

Sign Up for NASAExplorer SchoolsToday!

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Get your creditTell Us What You Think!

Take the Product Survey

Take the Electronic Professional Development Survey

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Share Your ExperienceStep 1: Sign Up for NEON

Step 2: Add NASA Explorer Schools to your forums http://neon.intronetworks.com/#

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Share Your Experience

Step 3: Browse NES Forums

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Share Your Experience

Step 4: Contribute to the forum

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particular company or organization, or its programs, products, or services.

http://learningcenter.nsta.org

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