Water rocket .
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Water rocket .

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Alicia and

Alicia and

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    Water rocket . Water rocket . Presentation Transcript

    • 1.- BOTTLESWe need two liters soda Then, we cut one ofbottles. the bottles, and we stuck both of them.
    • 2.- FINSWe made them with cardboard, and wedecorated it. After that, we measured thedistance of the bottles to stick it correctly andwhen we finished we stuck them.
    • 3.- 3- parachute PARACHUTEWe took a rubbish bag, we cut it in different ways untilwe got the final result, our parachute.
    • Finally…We took eight threads and we put them onthe parachute as you see… it works!
    • MAKING OUR PARACHUTECutting the rubbish bag Measuring the thread
    • Nose cone 4.- NOSE CONETo make the nose cone we used We used some thread to hold ita blue cardboard. when the parachute opened.We folded it and we got the finalnose cone.
    • 5.- OUR “EGGSTRONAUT”Instead of making an We wrapped it withastronaut, We did an a special paper“eggstronaut” with anegg. because if we didn t do this, it would break and our mission was to find it safe when it came down.
    • 6.- CALCULATING• When we were ready to launch our rocket, we pump it with the gauge and we decided to use 2 atmospheres:• The weight of our rocket was 1.1 kg, so:
    • 7.- EXPERIMENT’S RESULTS• In the first launch, we failed because the water went out, but at the second launch, we got it. The rocket took 1.40 s until the parachute opened and 1.20 s until it landed on the ground, and our egg was save.
    • THEEND. By Ali & Carmen