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You can visit this site :https://www.jpl.nasa.gov/edu/learn/project/make-an-astronaut-lander/\ Introduction: In this challenge, use what you know and what you can investigate about gravity, motion, forces and a target of your choosing (the Moon, Mars or beyond!) to design and build a lander that will protect two "astronauts" when they touch down. Just as engineers had to develop solutions for landing different kinds of vehicles on the Moon and Mars, you will follow the engineering design process to design and build a shock-absorbing system out of simple materials; and improve your design based on the results of your test landings. 1. Brainstorm Consider how you will softly land your “astronauts” using the allowable materials. 2. Design a shock-absorbing system 3. Build the lander Using your design as a guide, assemble your lander. 4.Test, evaluate and redesign. 5. Take it higher Drop your lander from progressively higher heights . Make a diary of your progress and