Hi! I'm P6, or, grade 6 and learning Simple Machines! My teacher told us to find out the answer for the following Q:<br>Tom has just bought a brand new racing ...
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chellym1986
Apr 3, 2001 4:35 pm
The smallest gear will move the bicycle the fastest. As Tom pedals one revolution on the front gear the rear gears also revolve. The smaller the gear the more...
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alpha_gon
Apr 4, 2001 6:25 am
Thanks Chelly! I have one more question about Simple Machines. Alrighty, well, how do we identify the movable pulleys in a pulley system? Can anyone recommend ...
702
MJW001
Apr 22, 2001 7:53 am
Hi I have just joined this club and I need help with ideas for an essay for a science project. My question is: What scientific discoveries of significance have...
703
luckyboy1188
Apr 24, 2001 10:33 am
i'm from Singapore too...what school r u in?I'm in Dunman High...sec 1...
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chellym1986
Apr 24, 2001 3:30 pm
How about the discoveries about Jupiter's moons? There's some pretty exciting stuff there about how our solar system may have formed. Also what about the ...
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all_time_american
all_time_ame...
Apr 26, 2001 4:42 am
hey ehat up? well i need help looking for a science fair project im in 7th grade and i want something complicating! this year i did"Magnetic Therapy Phase 2" I...
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all_time_american
all_time_ame...
Apr 26, 2001 4:42 am
hey what up? well i need help looking for a science fair project im in 7th grade and i want something complicating! this year i did"Magnetic Therapy Phase 2" I...
707
luckyboy1188
Apr 28, 2001 5:07 am
1)What cells contract to help the body move?<br><br>2)What cells help protect the body against injuries?<br><br>3)What is a dichotomous key?...
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luckyboy1188
Apr 28, 2001 5:30 am
1)Which of these animals is not a bird?<br>A)Bat B)Ostrich<br>C)Penguin D)Duck<br><br>2)Which of the following is a similarity between a spider and a...
709
luckyboy1188
Apr 28, 2001 5:30 am
1)Which of these animals is not a bird?<br>A)Bat B)Ostrich<br>C)Penguin D)Duck<br><br>2)Which of the following is a similarity between a spider and a...
710
rmnettles
May 20, 2001 2:49 pm
This is on the top 10 list of strangest things I've ever seen. <br><br>This morning I was making biscuits, and since I never measure anything, I left the milk...
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prolixuk
May 26, 2001 4:52 pm
This morning, looking southeast over the sea from a reasonably high vantage point I saw three separate rainbows. One of them was a secondary, the other two...
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bobcat4214
May 26, 2001 11:12 pm
Perhaps the second primary was caused by ice crystals in the atmospheres. They would refract the light at a different angle than the raindrops...
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prolixuk
May 27, 2001 12:16 pm
That seems unlikely to me. Rainbows are essentially a reflection phenomenon and they form because all of the drops are spherical and therefore their ...
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terra_flare_911
Jun 3, 2001 1:51 pm
My teacher is forcing me to anwser these questoins as homework.<br><br>How do you avoid getting into a fight?<br><br>Does it take a lot of practice and skill...
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prolixuk
Jun 3, 2001 4:30 pm
>My teacher is forcing me to anwser these questoins as homework.<br>><br>I'm NOT an expert on psychology or on teenage behaviour. What follows are just ...
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prolixuk
Jun 3, 2001 4:31 pm
Part 2 of answer - the original was too long.<br><br><br>>Does it take a lot of practice and skill to learn and to handle conflicts ...
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terra_flare_911
Jun 4, 2001 2:47 am
Thanx a lot!...
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lunchbox_2454
Jun 10, 2001 7:21 am
Does anybody know of any good sites on joule heating. I also need some experiments about it. Any help would be VERY GREATlY appreciated. I've been on the net ...
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all_time_american
all_time_ame...
Jun 19, 2001 4:24 am
hey well i found my topic! anyone know any good science fair questions with the Global P0sitioning System? i already found three questions but im looking for...
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CoachK23
Jun 20, 2001 12:32 am
I would suggest studying the accuracy and precision of the GPS unit. The results might surprise you and others. Additionally, there are the military and ...
721
dvpastores
Jun 22, 2001 1:30 am
I have this troubling question in my son's high school science homework. They are being asked to define or give the concept of the term "critical outlook" as...
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CoachK23
Jun 23, 2001 10:33 pm
WoW! This sounds like a term that the teacher uses as opposed to a truly scientific term. I would read that as reading "looking at everything critically" or...
723
linxeschingtow
Jul 3, 2001 4:11 am
Hi, <br>First of, I would like to specify that I'm french speaking, so if there are any mistakes, i'm sorry!<br><br>I'm teaching myself how to use a 3D ...
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prolixuk
Jul 3, 2001 1:59 pm
You will find all you need at:<br><br><a href=http://nssdc.gsfc.nasa.gov/planetary/ target=new>http://nssdc.gsfc.nasa.gov/planetary/</a><br><br>This is the...
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karntidav
Jul 7, 2001 6:43 am
Please help me to solve this problems.I got it from my friend.This problem said Gaseous Helium is to be use to quench a hot piece of metal.The helium is in...
726
prolixuk
Jul 7, 2001 11:02 am
Okay. First the real answer - the temperature of the helium will not change because it is undergoing a free expansion (or very near).<br><br>Now the answer ...
727
karntidav
Jul 27, 2001 12:49 pm
plese help me to solve this question .A lead bullet is fired at a rigid surface. At what speed must it travel to melt on impact,if its initiate temperature 's...
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prolixuk
Jul 27, 2001 5:15 pm
The mass of the bullet does not matter because a heavier bullet has more energy but takes more energy to melt, so we may as well take a big bullet consisting...
