![]() |
11-15-2012, 03:50 PM
|
#16 |
|
Olds Cool Adventurer
Joined: Apr 2011
Location: Sierra Nevadas
Oddometer: 2,662
|
This is my parent's next door neighbor's 12 year old, and he did this by himself:
http://www.mercedsunstar.com/2012/10...reinvents.html |
|
|
12-10-2012, 08:32 PM
|
#17 |
|
Gnarly Adventurer
Joined: Jul 2008
Location: Enid, OK
Oddometer: 196
|
Bad NEws
So the short version is the whole project was rejected and replaced with one (picked by the teacher) of "grow four identicle plants in four pots while watering one with water, one with gatorade, one with ammonia, and one with soda pop. Report resuslts.
My personaly opinion here, the teacher had no idea how to grade the carburetor and sent him home with a safe project that she knew how to grade because she's seen it done every year for her 20 year career. So much for a child learning what he wants to learn with something that might actually interest him. Lets just do this no child left behind BS project so I can give you a C and send you on the way with another check box marked off on my govenment forms. So yea, I'm a little pissed off. He's doing the plant project under durress but he's doing it. He has zero interest in it and really doesnt care. So in the meantime, he and I are cutting this carb apart anyway and doing this experiment our way. At least he'll learn something he's interested in.
__________________
It's no mistake that the word "silent" and the word "listen" contain the same letters. |
|
|
12-11-2012, 12:46 AM
|
#18 | |
|
Beastly Adventurer
Joined: Mar 2009
Location: Montclair Ca.
Oddometer: 2,317
|
Quote:
Maybe switch it up a little so the results end up being something the teacher hasn't seen before ![]() try to have fun with it anyways |
|
|
|
12-11-2012, 02:52 AM
|
#19 | |
|
Adventurer
Joined: Mar 2011
Location: central OK
Oddometer: 12
|
Quote:
A few suggestions, if I may, so he doesnt kill three out of four plants, and is left with nothing to measure or report. Have him water all four plants, measure out the same amount for all four. say, a half a cup every other day; whatever gets the soil moist. The one with the water is his "normal" or "control" plant. The other three are the "test" subjects, and should have the other liquids applied in addition to the normal water. Id suggest something like 5-10 drops from an eye dropper every 3-4 days, or every week, if its long enough of a time until he needs to stop. Things he should measure and/or record weekly or bi-weekly are length of longest main stem, # of leaves, and color of leaves. at the end of the experiment, he should remove all the plants from the soil, wash out all the soil, dry the plant, roots and all, and weigh them. If he wants to get cute, separate the roots from the abovegruond stuff and weigh separately. That will show some results. Too bad about the carb idea; thats sounded pretty interesting. At least he should grab an A from the govt teacher! pm me if I can help any further. I did this crap all the time back when I was teaching college botany. accurate iron screwed with this post 12-11-2012 at 02:53 AM Reason: sp |
|
|
|
12-11-2012, 07:40 AM
|
#20 |
|
Adventurer
Joined: Jul 2012
Location: Morris Plains, NJ
Oddometer: 54
|
thats too bad... that carb idea would have been good, and with a small air compressor, some tube work, and some colored water you could have actively demonstrated bernoulli's principle. Im in grad school for mechanical engineering, and do some experiments in the fluid dynamics lab here and there. I would have been able to help with the theory behind the experiment with the carb. I would have done a cut-away to show the inner workings of the carb, then tubed up an air compressor and some duct work to a good carb. Fill the bowl with colored water, and hold a white sheet on the "out" side of the carb, and show how it "sucks" the colored fluid from the bowl into the air stream, due to bernoulli's principle. Control the pressure from the air compressor line (air speed) and show how 1 minute of high pressure and 1 minute of low pressure differ on the amount of die on the white sheet. Hypothesis is your thoughts on how air speed effects the amount of dye on the sheet.
Thats an A project right there, keep it in mind for the future. It can be advanced for 12 years old, as I didnt learn the basics of bernoulli's principle till high school. And the advanced applications of the principle as an undergrad in my 3rd year. This project will grab the attention of any kid who has a dirtbike and has heard the word carburetor once or twice. Since you are stuck with the plant project, you should do it right. Take the advice of the botanist that previously posted. Teach the kid that if you are going to do something, do it right even if you arent totally interested. The good projects will come to you after you have proved good work ethic. |
|
|
12-13-2012, 05:51 AM
|
#21 | ||
|
Unreasonable
Joined: Jul 2009
Location: Middleton, NS CANADA
Oddometer: 2,214
|
Quote:
We live in an age where we as parents want our children to excel. While noble in principle, its better that we let THEM excel on their own merits. Not while being led by the hand and directed by an adult. When I was doing Science Fair Projects in High School, my Dad was a Lab Tech for Agriculture Canada. I was able to get access to facilities and equipment, but my experiments were designed by yours truly and I usually placed very high in the Life Sciences category. However, I designed the experiment. I carried it out. The old man sat me down and showed me how to use the centrifuge, acquired me some of the equipment I needed and gave me an old spectrometer and the manual. Quote:
![]() Nothing wrong with some non-traditional learning. Take some of the suggestions earlier in the thread and give him some ideas for additional variables. If he wants to do well, he can blow the teacher off her feet with some of the extras. Science Fair Judges like kids who think outside the box as well....
__________________
TransLab a Go Go 2011 Nova Scotia Fresh Air Inspectors Investigate the Cabot Trail "Second star to the left and straight on till morning” ― James T. Kirk |
||
|
|
12-26-2012, 01:56 PM
|
#22 |
|
Gnarly Adventurer
Joined: Jul 2008
Location: Enid, OK
Oddometer: 196
|
So its been a few weeks and the plants are in process. He's using water, vinegar, club soda, and saline as his 4 liquids.
Been using a 3cc syringe per plant, each with their own syringe so there is no cross contamination. I've been making him make weekly notes and take weekly photos. Normal bedtime conversation now is "make sure you brush your teeth and water your plants..." He's been keeping up with it and I've sneaked a few peeks at his notes and they are pretty good. Interesting result, the club soda is growing the best of the four! Not sure why that is, but I'm glad to see we are seeing some sort of unexpected result. That's even got the wheels turning in his head. Project is due when he goes back from Christmas Break.
__________________
It's no mistake that the word "silent" and the word "listen" contain the same letters. |
|
|
12-26-2012, 06:05 PM
|
#23 |
|
Beastly Adventurer
Joined: Jul 2008
Location: West of Phoenix, Arizona
Oddometer: 8,499
|
CO2
__________________
US out of the UN, UN out of the US. |
|
|
12-27-2012, 05:53 AM
|
#24 |
|
Gnarly Adventurer
Joined: Jun 2012
Location: Gateway to the Sandhills
Oddometer: 282
|
yeah, but not the way you're thinking. Dark reactions occur in the chloroplast of the leaves so the CO2 isn't going in through the roots. Likely it's localized as the CO2 leaves the solution and rises toward the upper part of the plant.
Then of course, there is the slightly acidic condition caused by the carbonic acid but not likely enough to change results.
__________________
Illegitemi non-corundum est. |
|
|
12-27-2012, 05:53 AM
|
#25 |
|
Gnarly Adventurer
Joined: Jul 2008
Location: Enid, OK
Oddometer: 196
|
That was my initial thought too, but that bottle is so flat now after being opened and closed for weeks that I didn't figure there could be much CO2 left in it?
__________________
It's no mistake that the word "silent" and the word "listen" contain the same letters. |
|
|
12-27-2012, 06:00 AM
|
#26 | |
|
Beastly Adventurer
Joined: Jan 2011
Location: Richmond, Ohio
Oddometer: 1,077
|
Quote:
That's good. I had a freshman year science project go to hell, did a 'how are 2 strokes superior to 4's, and could the motors be combined to have the best of both worlds'. Noone liked it, the teachers and judges had no clue what I was talking about, and I think they believed I was making shit up. Never tried again. The next year I brought in some dead corn plants and made shit up, actually did good on accident.
|
|
|
|
12-28-2012, 08:37 AM
|
#27 |
|
Adventurer
Joined: Dec 2012
Location: Nowhere, OK
Oddometer: 40
|
I cannot speak for the OP's stepson, but at age 12 I understood carburetors very well. It's not out of the question that a 12 year old could have made a good cutaway and a good project, on his own.
At age 16 for a high-school science fair project I built a wood gas generator. And ran a lawnmower on it. Couldn't really use the lawnmower since the rest of the apparatus was too big, but at the time I remember the argument that "I couldn't have made that myself". They went so far as to call my parents, who didn't even know I had built it, and accuse dad of building it for me. The fallout from that stunt ended up haunting me for the rest of my time in school, since like the teacher who gave the kid a plant project he wasn't interested in, it's easier to grade something you've seen 100 times before, and it ill behooves a teenager to call them on it. |
|
|
12-28-2012, 08:59 AM
|
#28 | |
|
Gnarly Adventurer
Joined: Jul 2008
Location: Enid, OK
Oddometer: 196
|
Quote:
__________________
It's no mistake that the word "silent" and the word "listen" contain the same letters. |
|
|
|
12-28-2012, 09:52 AM
|
#29 |
|
Beastly Adventurer
|
|
|
|
12-28-2012, 09:59 AM
|
#30 |
|
Beastly Adventurer
|
It's easy to get caught up in helping your kids with projects. Been there, done that. Here's something of interest for you teachers, my kids present school makes parents sign a contract at the beginning of each year that they "will not help with homework". The direction is that if the child has trouble with the homework (or project), the teacher is the one that needs to know so that they can bridge the knowledge gap, and it is their responsibility to do this.
A daily report is communicated back and forth between parents and teachers. If my son has difficulty with something, I put a note in the journal back to the teacher. If the teacher wants him to practice a particular skill more, they make a note to me as to why the homework was assigned, so we're all in the loop. |
|
|
![]() |
| Share |
| Thread Tools | Search this Thread |
| Display Modes | |
|
|