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====== Q18. Living With Gravity On Other Planets: ======
Gravity on other planets – This open-ended task requires students to research the magnitude (size) of gravity on the surface of other planets. Students then use this information to compare some aspects of ‘living’ on other planets.

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{{youtube>mf8Nr6JPadY?640x360|A Life on Mars}}
**Video: A life on Mars**
  * IF UNABLE TO ACCESS YOUTUBE VIDEO (requires Flash) TRY:[[http://viewpure.com/mf8Nr6JPadY|A Life on Mars]]

Is there any possibility/evidence for life on mars:
  * [[http://viewpure.com/8cWje-8b-ug|Can Mars Support Life]]
  * [[http://viewpure.com/Xy3Op137NSY|Is there evidence for life on Mars]]

Can we use a 'gravity drive' & use gravity to help 'pull' spaceships to other planets:
{{youtube>s96NgMBPTpE?640x360|How free gravity can help send a satellite to Mars}}

**Video:How free gravity can help send a satellite to Mars!**
  * IF UNABLE TO ACCESS YOUTUBE VIDEO (requires Flash) TRY:[[http://viewpure.com/s96NgMBPTpE|How free gravity can help send a satellite to Mars]]

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**Simulator/Interactives:**

A number of missions to navigate a starship - requires setting correct angle and thrust for orbit and gravitational slingshot to reach a space-station:
  * [[http://sciencenetlinks.com/interactives/gravity.html|Simulator: Blast off and orbit]]

This Rocket-Sled Interactive illustrates the effect of friction, air resistance, and applied force upon a sledder. The speed, acceleration, and force values are displayed as the sled moves. Learners can vary the mass of the sledder and the size of the parachute that is attached to it.
  * [[http://www.physicsclassroom.com/PhysicsClassroom/media/interactive/RocketSled/index.html|Simulator: Rocket Sledder]]

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FIXME - Work in progress - May 2015

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