Rockets are super amazing, but how do we get something that weighs as much as 100 elephants all the way into space?

Disciplinary Core Idea:

PS2.A: Forces and Motion - Each force acts on one particular object and has both strength and a direction. Forces that do not sum to zero can cause changes in the object’s speed or direction of motion (3-PS2-1).

Performance Expectation:

3-PS2-1 Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object

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SOURCES:

https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-rocket-k4.html
https://mars.nasa.gov/mars2020/spacecraft/overview/
https://www.nationalgeographic.com/science/article/rockets-and-rocket-launches-explained
https://blogs.nasa.gov/Rocketology/tag/liquid-hydrogen/
https://spaceplace.nasa.gov/what-is-gravity/en/

https://commons.wikimedia.org/wiki/File:Mars_2020_selfie_containing_both_perseverance_rover_and_ingenuity.gif
https://images.nasa.gov/details-KSC-20200730-VP-MMS01-0001-Mars_2020_Live_Launch_Coverage-3254502
https://en.wikipedia.org/wiki/File:Atlas_V(401)_launches_with_LRO_and_LCROSS_cropped.jpg
https://en.wikipedia.org/wiki/Atlas_V#/media/File:Atlas_V_Launch_Vehicle_Diagram.png
https://www.istockphoto.com/photo/close-up-of-an-orange-sharpened-pencil-with-eraser-gm111911916-15655157
https://www.istockphoto.com/photo/collection-of-15-elephant-gm93212330-4439441
https://www.istockphoto.com/vector/time-vs-money-on-scales-gm1204566204-346649218
https://www.nasa.gov/image-feature/along-the-way-to-launch-pad-39b
https://images.nasa.gov/details-KSC-20200730-VP-MMS01-0001-Mars_2020_Live_Launch_Coverage_ISO_Broll_String-3254502

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