K12> NASAexplores This Week
- From: Gleason Sackmann <gleason@xxxxxxxxxxxxxxx>
- To: NetHappenings <nethappenings@xxxxxxxxxxxxx>
- Date: Thu, 13 Nov 2003 13:54:35 -0600
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Net Happenings - From Educational CyberPlayGround
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From: "Nasaexplores.Com" <info@xxxxxxxxxxxxxxxx>
To: <gleason@xxxxxxxxxxxxxxx>
Sent: Thu, 13 Nov 2003 13:34:27 -0600
Subject: NASAexplores This Week
This week on NASAexplores we're featuring the articles, "X-37: The Orbital
X-Plane," on the X-37 next-generation aircraft, and "Two-Ton Hockey Pucks,"
on microgravity simulators. Below are abstracts of the articles, as well as
brief descriptions of the accompanying lessons for each grade level.
To access the articles and lessons, please visit the NASAexplores web site:
<http://www.nasaexplores.com>.
Topic 1: X-37: The Orbital X-Plane
One of three technology demonstrators for the Orbital Space Plane, the X-37
will help NASA test concepts that will help develop spacecraft of the
future.
K-4
Lesson 1 - Body Systems: To learn about six systems of the human body.
Lesson 2 - That's Hot! To learn how insulation protects things from heat.
5-8
Lesson 1 - May The Best Rocket Win: To experiment with one variable of a
rocket design and select the design that causes the rocket to fly the
highest.
Lesson 2 - Scaled To Just The Right Size: To build a scale model of an
airplane and calculate its scale factor.
9-12
Lesson 1 - Scaling The X-37 Down: To compute the sizes of the scale models
of the X-37.
Lesson 2 - Approach And Landing Tests: To build a glider and conduct an
experiment to test the design's reliability in approach and landing.
Topic 2: Two-Ton Hockey Pucks
Why does NASA use so many different types of microgravity simulators?
Because it's impossible to duplicate all the conditions with one simulator.
Air bearing floors provide frictionless movement for large objects. Imagine
a hovercraft moving on a thin cushion of air, or a large box riding on a
skateboard; air bearing floors allow astronauts and heavy equipment to move
just as effortlessly as they practice for a flight into space.
K-4
Lesson 1 - Once In Motion, Always In Motion: To understand Newton's First
Law Of Motion, and to use observational skills to draw conclusions and make
predictions.
Lesson 2 - Friction Race: To learn how friction affects the movement of
objects.
5-8
Lesson 1 - Racing Against Friction: To understand how friction affects the
speed of a vehicle.
Lesson 2 - Hovering On A Cushion Of Air: To build a small hovercraft, and
to demonstrate how hovering on a cushion of air reduces friction.
9-12
Lesson 1 - Where Should We Try It Out? To learn about different simulators
used to simulate conditions in space, and to decide which facility would be
best for certain experiments.
Lesson 2 - A Flick Of Friction: To test the effect of friction on different
masses and surfaces.
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