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...
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...
That seems unlikely to me. Rainbows are essentially a reflection phenomenon and they form because all of the drops are spherical and therefore their ...
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...
>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 ...
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 ...
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...
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 ...
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...
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...
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 ...
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...
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...
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 ...
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...
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...
If you are using the same amount of fuel and of air at the same compression, then there is no reason for the way in which you load the cannon to this point to...
Help! Can someone explain this to me? I have a sample problem:<br><br>Battery acid has a density of 1.285 g/cm cubed and contains 38.0% by weight H2SO4. How...
I am a future science educator and needed to interview a scientist. I just have a few questions if someone can help.<br><br>1. What experiences in school ...
Hi!<br>I'm a secondary school student doing AS level Physics. We are doing an investigation on factors that affect the output of a solar cell. Could someone ...
Here is a challenge I picked up from another place:<br><br>A six pointed regular star consits of 2 interlocking equliateral triangles. What is the ratio of the...
I found a nuclear fission experiment on <a href=http://www.hunkinsexperiments.com/default.htm target=new>http://www.hunkinsexperiments.com/default.htm</a>...
I am trying to reconcile the reversing nature of alternating current with wiring that has "hot" and "neutral" leads.<br><br>If alternating current reverses...
