| Subject | Date Asked | Expert |
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| welding or glue hair pins together | 10/11/2004 | Ralph Salier-Hellendag |
Q: I'm interested in using hair pins in an project. I was wondering about their chemical make-up. ...
A: Well there are several different kinds of hair pins. Most are made of steel or spring steel and ...
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| Science | 10/10/2004 | Ralph Salier-Hellendag |
Q: What is the Mass of the earth, sun, and moon? What is the distance between earth to moon and earth ...
A: Mass of the Earth = 5.9736 x 10 (24 power) Kg Mass of the Sun = 1.9891 x 10 (30 power) Kg Mass of ...
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| Science | 10/10/2004 | deepika |
Q: What is the Mass of the earth, sun, and moon? What is the distance between earth to moon and earth ...
A: the mass of the earth is 5.976*10^24 kg the mass of the sun is 332.958* the mass of the earth the ...
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| Explaining why objects sink and float to 7 year olds | 10/10/2004 | Amy |
Q: I am a second and third grade school teacher. I wanted to do an experiment with my students where ...
A: feeling a bit frustrated cause I just gave you a lengthy answer and then my browser crashed! ok. ...
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| The science fair project | 10/5/2004 | Ralph Salier-Hellendag |
Q: What is qualitative data and quantitative data?
A: Qualitative or discrete data is information that can be catagroized or classified in which the data ...
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| general question, visual science | 10/5/2004 | Amy |
Q: The "heat" we see rising off the desert, which looks like "waves" of air, does that phenomena have a ...
A: Sorry for not getting back to you earlier. Work has been extremely busy at the moment. I've had a ...
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| a general question, didn't know which expert to ask... | 10/5/2004 | Ralph Salier-Hellendag |
Q: ...if you can't answer the question, can you tell me which field of expert I should ask: The ...
A: Yes it does. It is called "Differential Density Distortion". You may find more if you look up ...
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| dietary fiber | 10/3/2004 | deepika |
Q: .well i have a question about dietary fiber.i want to make sure that i dont misunderstand anything ...
A: the answer to your question is the choice no.1. dietary fibre decreses the amount of water in the ...
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| nutrients | 10/3/2004 | Ralph Salier-Hellendag |
Q: .well i have a question about dietary fiber.i want to make sure that i dont misunderstand anything ...
A: First of all dietary fiber is a subject of on going study. We still don't understand all of the ...
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| nutrients | 10/3/2004 | Dan Fink |
Q: .. i wanted to know at what level they are absorbed...is it microvilli or lumen or rugae i believe ...
A: You are getting far beyond the scope of my 'science for kids' knowledge. I recommend asking your ...
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| carbs | 10/3/2004 | Amy |
Q: ..i took a test this past few days and when i got my results back i noticed that 2 of my answers ...
A: Sometimes students send in their homework problems and ask me to do all the work for them! ok- if ...
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| carbs | 10/3/2004 | Ralph Salier-Hellendag |
Q: ..i took a test this past few days and when i got my results back i noticed that 2 of my answers ...
A: H Rachael, In the first question. item 4 has cellulose which is a component of fiber rather then a ...
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| science fair project | 9/23/2004 | Dan Fink |
Q: Which color paper can be burned fastest using a magnefying glass
A: The darker the paper, the less reflective it is, and the faster it will ignite. White paper should ...
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| title? | 9/22/2004 | Dan |
Q: I am doing a project for my school. The purpose of my project is the determine which beverage stains ...
A: Good question. I like titles that are fun to say. However, some people like titles that get to the ...
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| title? | 9/22/2004 | deepika |
Q: I am doing a project for my school. The purpose of my project is the determine which beverage stains ...
A: well i am not really good at giving titles bt check thse out: tooth stains, not only in toddlers but ...
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| ATP | 9/22/2004 | Amy |
Q: I want to know in terms of Kilocalories how much energy from the last phosphate bond is released.I ...
A: Was this the original question? It's amazing how much diference it makes when a word is accidently ...
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| science | 9/19/2004 | Amy |
Q: What are some advantages of using SI compared to the english measurement system? Everyone says its ...
A: when you say English measurement system, do you mean the US or the UK system? The UK has gone some ...
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| science | 9/19/2004 | Dan |
Q: What are 2 advantages of using SI compared to the english measurement system?Thank you for your ...
A: Great question. In science we need a system everyone can understand. I am reminded of the periodic ...
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| Chemistry | 9/18/2004 | Amy |
Q: Could you please suggest why the relative atomic mass of Martian oxygen is different from that of ...
A: Mars and Earth oxygen have different mixes of oxygen isotopes. Isotopes are versions of the same ...
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| Balloon experiment w/ marbles | 9/18/2004 | Dan Fink |
Q: the marbles are supposed to heat up the balloon to demonstrate Charles' and Boyle's Laws.There's an ...
A: I can't find any reference to this experiment on google or in my usual references. BUT -- if you ...
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| Balloon &marbles experiment | 9/16/2004 | deepika |
Q: There's an experiment I can not understand. You put 2 marbles in a small balloon, blow it up, and ...
A: as far as i understand the experiment, u have placed 2 marbles in a balloon and blown it up . then u ...
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| Wheel Effect Alternator | 9/9/2004 | Dan Fink |
Q: I was extremely surprised. Anyways, I'm using a wheel alot like the one at Other Power. It is the ...
A: Two choices on the motor or alternator. If you go with a hobby motor (from radioshack, etc.), it's ...
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| Wheel Effect Alternator | 9/8/2004 | Dan Fink |
Q: My name is Megan and I am in the 8th grade doing a science project. Finally we are allowed to use ...
A: I'd be happy to help. It's not very expensive, the magnets cost $1 each, and the wire is available ...
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| science | 9/8/2004 | Amy |
Q: i have a science crossword, and the questions are some science lab safety matters ones. there is a ...
A: I don't normally answer homework questions, so you're very lucky I'm having a stab at this :) I've ...
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| science | 9/5/2004 | Amy |
Q: i have a science crossword, and the questions are some science lab safety matters ones. there is a ...
A: I'm not quite sure what you're asking. I would have to see the crossword itself to be able to help ...
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| microorganisms in science | 8/16/2004 | Amy |
Q: what is the beneficial role microorganisms play in decomposing, making foods, and digestion, ( their ...
A: This looks like a homework question to me. I don't normally answer homework questions, unless the ...
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| household compounds and mixtures | 8/12/2004 | Amy |
Q: i have to list 10 household compounds... i have hydrogen peroxide, salt, water, antacid, baking ...
A: your mom is right, a compound is supposed to be made up of one kind of molecule that contains two or ...
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| My son would like to know... | 8/2/2004 | Amy |
Q: My son would like to know if snails change their shells or move to a bigger one? thank you
A: The snail's shell grows with it as it gets bigger. The snail's shell grows from the open end (the ...
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| magnetism | 7/29/2004 | Dan Fink |
Q: how does a flying train work? I just have an idea that it works by magnetism and I am keen to know ...
A: You are exactly right -=- and there's a few different ways that levitating trains are built, but ...
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| Science geology projects | 7/27/2004 | Amy |
Q: study of the earth etc) that would also serve to decorate the classroom. Any suggestions-Thanks
A: I'm not sure what country you're from so I can't give you specifics on curriculum objectives. I'm ...
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| science | 7/18/2004 | Dan |
Q: why does water freeze on high mountains?
A: It's usually cold enough to. It snows on the mountains of the equator sometimes. Ask in the physics ...
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| biological control | 7/16/2004 | Amy |
Q: mam, i hope u remember me...i was the one who called u sir...sorry mam... do viruses help ...
A: Sorry for not getting back earlier. I access this computer from work and only got your message this ...
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| biological control | 7/15/2004 | Amy |
Q: sir, how do viruses help in biological control???explain with suitable illustrations/examples...
A: I'm not sure what your question means. What kind of biological control? Are you talking about ...
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| science | 6/29/2004 | Amy |
Q: I'm going to 10th grade next September. 1. What is the green stuff in your nose(how would you refer ...
A: The green stuff is normal snot thats got a few extra things in it. So heres some some basic info ...
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| science | 6/28/2004 | Amy |
Q: What are the white particles that are underneath your nail, that if you cut it off, you'll see ...
A: very interesting question. Nails are naturally white. the reason they look pink on your fingers is ...
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| science | 6/28/2004 | Dan |
Q: Why is it bad to bite your fingernails?Thank you.
A: I just learned never to bite them. I always think of it for the germ reason, yet I believe it may ...
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| science | 6/28/2004 | Amy |
Q: What is a headache(happening inside body) and how does medicine releive the pain. Hypertension, ...
A: there are many ways that a headache can occur and all the different medications work in slightly ...
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| Science | 6/26/2004 | Dan |
Q: what are the success of science in our daily life. what do you think is world developing day by day ...
A: Science is making this world change. The internet is just one thing that we can look at with ...
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| LAWS of Nature | 6/14/2004 | Dan Fink |
Q: What are the LAWS of nature? Meaning what does the "L.A.W.S." stand for? If you could help me that ...
A: I don't think it stands for anything. There's nothing about L-A-W-S that I can find in the ...
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| Plants Science project | 6/9/2004 | Amy |
Q: This is embarrassing, but my son was working on an experiment that dealt with plants for school. I ...
A: It's an interesting problem. THe answer would rely on how much of each liquid he was planning to ...
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