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WHAT CAN I DO FOR MY SCIENCE FAIR PROJECT? I WAS THINKING ABOUT Do different kinds of music make the bacteria grow differently?-

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what is the concept of this "SCIENCE FAIR PROJECT"? and at what level of education you want the theory to be?
And about the bacteria and music/sounds:
If you've got some sort of growth medium (e.g. agar), you can also just put petri dishes with agar out in different places in your house to see what will grow in them. I tried that in my room and got a LOT of fungi, plus a bunch of little yellow bacterial colonies. If you have growth medium and some sort of bacteria that you can use to test things, you could also try adding different things to the growth medium (e.g. stuff from your kitchen, or ground up bits of different plants) to see what will make the bacteria grow better or worse.

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I am in seventh grade taking a ninth grade course, physical science!
Ahh. well then skip the text i showed you ^^
Hmm.. and is it going to be physics or biology?
Only know some... well (kinda) awesome experiments for physics and a few for biology.
And some of it could be to measure the thickness of a hair.
okay! what are they? I am having difficulty in fibding one since i cannot do anything on something that has a backbone, mold, easy ones, and brands!:(
Well to measure the thickness of a hair you need the following: Laser (just a normal laser pointer as you know them) Ruler / measuring tape
okay, i follow.
The thickness of a hair (or a thin cord or wire) can be measured by sending laser light into the hair. This creates a diffraction pattern consisting of a line of light and dark stripes. If you simply measure the distance from the hair to the projection screen and the distance from the center to one of the dark bands, hair can be calculated thickness. According to "Principle Babinets", the diffraction pattern from a narrow slit to be the same as for a narrow screen of the same thickness as the gap. When you have to find diffraction pattern of a hair, it is possible to use the same equations to derive the diffraction pattern from a narrow slit having the same thickness as håret.Betragter you just the first dark band, you have to first calculate the angle to seen from the hair. Measure the distance from the hair to the projection screen (l) and from the center of the diffraction pattern to the first dark band (x). The angle can be calculated from this formula: tan(θ)=x/l When the angle theta is known, one can find hair thickness (w) from the laser wavelength lambda: w=λ/sin(θ)
i do not comprehend this, since i am only in algebra 1 and what can i write in the application? ;0
Sorry made a typing mistake ment "consider" insted of "betragter"
Hmm if you see a pic you perhaps understand alot better. It is kinda like if you look at a extreamly small thing... then we put some light on it and then it become extreamly large... this large thing we can messure and then we caculate it back to the small thing.
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i will ask my science eacher to approve it and how can that experiment help in life? My teacher is tough in grading applications, so i was thinking of a project that might grab people's attentions or that might help scientists or maybe even everyday people!
Well it is kinda important becuase you can use the to measure red blood cells diameters... but i think it is more... well easy with hair to show it... and then we don't need to cut in people to get the red blood cells ^^
good idea! i'll ask my teacher on monday and type yoou what she said at around 8-9 pm!
and the sinus and tangens... just use a caculator
No need to explain what it is.
Else write to me in a pm if i need to come up with a new idea.. i check some my old experiment books :) might have something with alcohol :P
what is a pm
Private Message
Next to the notification icon is a letter icon... press on that type in my name and write the message
You should PROBABLY do something science related, but thats just me..
I would recommend procrastinating and waiting until the last minute to do this project, no need to worry about it now.

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