Monday, June 16, 2008

Matthew's page




Experiment results

  1. We got partners for making a rocket with: Balloons, paper, paper-clip, string, a small tube. The objective of this experiment was to use these materials to make a rocket, that can go really far. We didn't get our balloon rocket off the string to fly off

We discussed about the reasons of the first failure and tried again, this time it got farther but still didn't get off the string.






  1. We had a rubbing alcohol in a clean bottle, and had a cork stuffed on the bottle so air couldn't escape. Then we pumped it 10 times and pulled the cork out. The rubbing alcohol turned into a cloud like thing. We pumped 3-5 more times, and the cloud thing was gone





  2. We added blue pigment ink inside the bottle with the rubbing alcohol. Then we pumped it 10 times and pulled the cork out. The rubbing alcohol turned into a cloud like thing, but somehow the blue ink didn't. We discussed about the reason, and we thought that it was because the ink is too heavy. After that we pumped 3-5 pumps, and the cloud like thingy was gone.




  3. We got a film case, then put any amount of water you like, and we put Alka seltzer in it , then you run away really fast. The mini rocket will then have a small blow and fly in the air about 1 meter.

  4. We launched our rocket today:
  • Matthew:21.6ft
  • Gianina:80ft
  • Albert:21.6ft
  • Shin:32ft
  • Satoshi:28.8ft
  • Alan:32ft
  • Dercen:27.2
  • Ms.Nelson:114.4ft

My rocket blew off without pumping enough, it just blew off without pulling the long string, so it went really low. I think it was because I pumped it too fast. When I did my 2ND launch I pumped it slowly, and pulled the long string. It blew off a lot higher than the 1ST launch, and the parachute even came out this time. But unfortunately my rocket flew out of the fence so I couldn't get it back.





The 1st day's results
We got partners for making a rocket with: Balloons, paper, paper-clip, string, a small tube. The objective of this experiment was to use these materials to make a rocket, that can go really far.

Many balloons got blown up, so it was fun!! We got to make rockets twice, and the second time was more successful, because we discussed about the different things we could do after the first try. We thought out of the box to make the rockets go father with our materials.


www.marionvillemodels.com

On July 3rd, we will have to launch our rockets, and our rockets must have a parachute system so it doesn't break when it starts descending.




2ND Day of Hydro Rocket's results
We started making the parachute for our rockets, there was 3 different ways to make our parachutes:


  1. We use a garbage bag and cut it into a circle diameter 18inches, then we fold it into 8Th's. We put one tape on every 8Th, so there would be 8 tapes on 8 8Th's. Punch a hole with the hole puncher on every piece of tape.



  2. This parachute needs to be folded into 8 pieces with the garbage bag, and with the 2 method you will get 2 parachutes, every parachute has 8 lines. Then we put one tape on every 8Th, so there would be 8 tapes on 8 8Th's. So, if there is 2 parachutes then in total there should be 16 tapes. Punch a hole with the hole puncher on every piece of tape.

3rd Day of Hydro Rocket's results

We got to finish our parachutes and test it. All of the parachutes that are finished now are great, it is fun watching the parachutes fall down slowly. We watched a funny video showing what a lift is, and shows how you can start off a lift. We also did a experiment, by putting rubbing alcohol (rubbing alcohol can kill you if you drink it) in a bottle that is CLEAN. We then stuffed a cork on the bottle so the air cant come out, then pump it 10 times, and pull out the cork. The rubbing alcohol will turn into something like a cloud with a sound of a puff.

4Th Day of Hydro Rocket's results



We started making the wings for our rockets, and we discussed about the advantages and disadvantages of the wings. Then we chose the wings that was best for us, I chose to have only 3 wings on my wings. Many people had 4 wings on their rocket. Ms. Nelson taught us a method with string and straight edges to put the wings on the rockets, so that they would be balanced and would fly off straight. This is a website that you can learn more about hydro rockets: http://ordinarypeterhr.blogspot.com/

5Th Day of Hydro Rocket's results

I got to finish the wings, and stuck it on the rocket. Then we started the fuselage, which carries the parachute inside. On top of the fuselage will be where the cone is, the cone can cut through the air so that it would fly faster, the cone can also pull the parachute out when it is descending, because the parachute isn't heavy enough for gravity to pull it out. Now i only need to make sure the cone sticks to the parachute so that it would pull out, and fall down safely instead of falling down in great speed.

6Th Day of Hydro Rocket's results

Today I ALMOST finished my brilliant rocket, I used the elastic to tie the 8 strings, the top cone, and the bottle together. So if the top cone falls off then the parachute will come out also, and when the parachute falls out, the rocket won't fall down to the floor, and break into many different pieces so you won't get it back again. This is a video of someone else pumping a huge water rocket!





It was so cool!!

7Th Day of Hydro Rocket's results


Today I finished my brilliant rocket, but the knot got loose and the strings fell out! So now i need to tie a knot again, and I'll be finished again. We watched a movie about force and work, and they said that if you have a mechanical advantage to do your work to carry really heavy stuff, instead of carrying it yourself with your own hands. Even if the other person has more sweat and is more tired, might be doing less or equal work than the person with the mechanical advantage, who isn't tired and sweating a little bit.

8Th Day of Hydro Rocket's results


Today we watched a movie about air pressure, and how it can suck and also pump something out. The video was a weird video again. After the video we went on this website where you can choose the: cone style, nose weights, body weight, tail weight, water oz, and pressure PSI, it was pretty fun, the highest our class got up to was 664. If you also want to try this website and beat our high score then go to http://extension.osu.edu/~rockets/demorocket.html. We finished our rockets up, because Thursday ( 2 days later) will be the launch day!!!!!

9Th Day of Hydro Rocket's results

We made a really small rocket today as a experiment, then we put in the amount of water in the body (film case)that you like, and we put Alka seltzer in it really fast, then you run away really fast. The mini rocket will then have a small blow and fly in the air about 1 meter.

10Th Day of Hydro Rocket's results

Today was launch Day my rocket blasted off to the sky, it was really fun. I found out that if you pump too fast, then the rocket would blast off by itself without any notice. So i pumped it slowly and it much much higher and the parachute system worked also!








No comments: