| Subject | Date Asked | Expert |
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| carbonation in soda | 11/20/2004 | Ralph Salier-Hellendag |
Q: How can I determine how much carbonation is in soda? I think that I need to determine how much ...
A: They are not really related to each other. Carbonation is CO2 added to the drink in one of the ...
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| chemistry | 11/19/2004 | Ralph Salier-Hellendag |
Q: which of the following is one way to prevent the corrosion of iron? a. protect the iron from ...
A: Iron corrodes to Ferrus Oxide or rust. Just exposure to moisture in the air will cause iron to ...
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| electricity | 11/18/2004 | Dan Fink |
Q: the magnitude of the voltage induced in a conductor moving through a stationary magnetic field ...
A: I don't like how the quiz question is phrased from your book....The voltage induced in a coil ...
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| electricity | 11/18/2004 | Dan Fink |
Q: including a full-wave rectifier in an AC circuit will yield a(n)____ current.
A: I feel that it's unfair to both you and me to answer homework questions. A BIG part of school is ...
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| electricity | 11/18/2004 | Dan Fink |
Q: a transformer has a primary voltage of 115 V and a secondary voltage of 24 V. if the number of turns ...
A: You'll find the number of windings is proportional with the voltage.....so just set up an algebraic ...
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| Stem Cell Research | 11/15/2004 | Amy |
Q: Can you tell me what are stem cells/what stem cell research is all about? Thanks
A: stem cell research is a huge topic and there are a large number of really good sites on the internet ...
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| What I have created | 11/14/2004 | Dan Fink |
Q: Ok, I am wondering what I've made. I did a simple experiment: create an electricity current through ...
A: The composition of of the blue stuff in the water and the crystals will depend on what your ...
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| research on atoms | 11/11/2004 | Dan Fink |
Q: Sorry, you will have to use my Mom's e-mail. Can you tell me where a good place on the internet is ...
A: Sorry for the delay in ansawering, I've been away from home and did not get your email until today. ...
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| Science Fair Research | 11/11/2004 | deepika |
Q: I have started a science fair project. My profect is what color of light causes sunflower seeds to ...
A: hey jamie! it is known that all seeds germinate best on exposure to red light.but light has varied ...
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| Removing Stains | 11/6/2004 | Dan Fink |
Q: My friend Sarah and I are doing a science fair project on which detergent best removes stains. We ...
A: (answer below from my answered questions archive) What I would do -- is first use the library to ...
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| melting of sugar and salt water | 11/5/2004 | Amy |
Q: I'am doing a science project for 5th grade. My experiment is which will melt faster sugar or salt? ...
A: sorry for not getting back to you earlier. I only have a computer at work and with time differences ...
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| Ralph, I need to know the... | 11/5/2004 | Ralph Salier-Hellendag |
Q: Ralph, I need to know the following: If a flashlight uses batteries that add up to 3.0volts and ...
A: Mary, Here are some key formulas which will help you to figure this out: current in amps = ...
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| A quanitiy of steam 200g at... | 11/4/2004 | Ralph Salier-Hellendag |
Q: A quanitiy of steam 200g at 110degreesC is condensed, and the resulting water is frozen in to ice at ...
A: I am sorry but this is outside of my area of expertise but it would seem that you are removing 110 ...
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| Waves | 10/31/2004 | Ralph Salier-Hellendag |
Q: Why is it that some of the largest waves in the world occur in the Drake Channel between the tip of ...
A: Ron, Consider the following: 1) high circumpolar winds 2) high current flows 3) realtively ...
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| Evaporation of water from an orange | 10/28/2004 | Ralph Salier-Hellendag |
Q: We are a first grade class that have some questions for you regarding our project. 1) Is there ...
A: 1) The juice of an orange is mostly water. The total weight of an orange is more then 80% water. ...
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| science | 10/24/2004 | Dan Fink |
Q: "Hi, :) my question is: What is chromatography and what are use of it... can u explain this to me ...
A: Chromatography is a technique used to separate the different compounds in a mixture, both to find ...
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| chromatography | 10/24/2004 | Ralph Salier-Hellendag |
Q: "Hi, :) my question is: What is chromatography and what are use of it... can u explain this to me ...
A: Viki must be in your class. Chromatography is a way to discover what something is made of. Every ...
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| chromatography | 10/24/2004 | Amy |
Q: :) my question is: What is chromatography and what are use of it... can u explain this to me ...
A: chromatrography is a way of separating mixtures of different chemicals. For example, pen inks are ...
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| chromatography | 10/24/2004 | Ralph Salier-Hellendag |
Q: :) my question is: What is chromatography and what are use of it... can u explain this to me ...
A: Chromatography is a way to find out what something is made of. Every thing around us is made of ...
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| chromatography | 10/24/2004 | deepika |
Q: :) my question is: What is chromatography and what are use of it... can u explain this to me ...
A: hey love science! chromatography is a method of analysis used to separte the diffrent parts ...
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| Soda | 10/23/2004 | Ralph Salier-Hellendag |
Q: It was very helpful. It gave me lots of ideas for my project on soda. one of your suggestions was ...
A: I'm not sure that you would have enough electrical current to run a train. But light a bulb yes. ...
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| Science fair theme | 10/22/2004 | Ralph Salier-Hellendag |
Q: I am a 7th grade middle school student interested in participating in a science fair. I have ...
A: there are a number of soda experiments that you can do. For instance, did you know that soda can ...
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| egg drop | 10/20/2004 | Dan Fink |
Q: I need help in finding products to use in an egg drop experiment. It has to be in a small coffee ...
A: The egg drop experiment is really fun. And the physics of it are really interesting....you are ...
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| science project | 10/18/2004 | Ralph Salier-Hellendag |
Q: Ib program is a very good program , but we get so much homework in the end of term. Anyway, agree ...
A: Some work has been done of a similar nature with apes and with parrots. Both show a level of ...
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| in which liquid will food coloring fall the fastest? | 10/17/2004 | deepika |
Q: Deepika, The type of food coloring is the food coloring that you purchase at the grocery store. ...
A: hey! tyler. the expt u will be carrying out will basically depend on the density of the liquids as ...
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| I am trying to come up with... | 10/16/2004 | Ralph Salier-Hellendag |
Q: I am trying to come up with an idea for a science fair. I am currently a grade 10 pre-IB student.I ...
A: Both of my older kids went through the IB program. It is a great education. Congratulations. My ...
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| when i am walking towards... | 10/16/2004 | Amy |
Q: when i am walking towards a person and he or she is just walking straight towards me, i find i ...
A: Quick question. Do you live in a country where people drive on the right hand side of the road? If ...
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| Which will thaw faster hot or cold water? | 10/15/2004 | Dan Fink |
Q: Mr. Fink, I'am a fifth grader. Last year I did a science project to see which would freeze ...
A: I'm not quite understanding your question..... >>This year I figured I would see which would melt ...
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| Which will thaw faster hot or cold water? | 10/15/2004 | Amy |
Q: Amy, I'am a fifth grader. Last year I did a science project on which would freeze faster hot ...
A: can you write back to me and explain this a little bit more? What are you starting with? I'm a bit ...
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| Which will thaw faster hot or cold water? | 10/15/2004 | Ralph Salier-Hellendag |
Q: I'am a fifth grader. Last yeare I did a science project on which would freeze faster hot or cold ...
A: Taylor, I think I understand your experiment. But I do need clarification on one thing. When you ...
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| Which will thaw faster hot or cold water? | 10/15/2004 | deepika |
Q: Deepika, I'am a fifth grader. Last year I did a science project on which would freeze faster ...
A: hey taylor, i need a bit of time in looking for the sites but as for the answer i can tell u that ...
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| In which liquid will food coloring fall to the bottom the fastest? | 10/15/2004 | Dan Fink |
Q: Dan, I'am a 5th grade student. I'am doing a science project titled: "In which liquid will ...
A: Which liquid ends up at the bottom or top depends on the density. The denser liquids will be on the ...
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| In which liquid will food coloring fall to the bottom the fastest? | 10/15/2004 | Ralph Salier-Hellendag |
Q: I am a 5 grade student doing research for a science project. My project is "In which liquid will ...
A: Many of the food coloring companies have web sites and can provide this kind of information. What ...
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| in which liquid will food coloring fall the fastest? | 10/15/2004 | deepika |
Q: Deepika, I'am a 5 grade student needing a corrospondence for my science project. Any type of ...
A: i am really very happy to help u but i need a bit more information such as: which types of food ...
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| Chemistry mentorship | 10/14/2004 | Amy |
Q: I am a teacher of a program for advanced 6th grade students. Every student must complete an ...
A: sorry for not getting back to you earlier. I tried a number of times on Friday to get onto the All ...
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| Invention Convention | 10/13/2004 | Dan Fink |
Q: Unfortunately we have waiting until the last minute. My daughter is working on a school project and ...
A: These are the hardest questions to answer! It should be something your daughter is interested in, ...
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| traits | 10/12/2004 | Amy |
Q: Two guinea pigs that were hybrid for fur texture were bred. Of the eight offspring, six had rough ...
A: This looks like a homework question to me and I don't normally answer these unless the person is ...
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| Science | 10/12/2004 | Ralph Salier-Hellendag |
Q: Please write in exponent. What is the Mass of the earth, sun, and moon? What is the distance between ...
A: Mass of the Earth = 5.9736 x 10 (24th power) Kg Mass of the Sun = 1.9891 x 10 (30th power) Kg Mass ...
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| Science | 10/12/2004 | Dan Fink |
Q: Please write in exponent. What is the Mass of the earth, sun, and moon? What is the distance between ...
A: It's not fair to you or to your teacher for me to answer homework questions--the idea is for you to ...
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| Science | 10/12/2004 | deepika |
Q: Please write in exponent. What is the Mass of the earth, sun, and moon? What is the distance between ...
A: the answers i gave u before stand the same. including those answers here are some more. the earth ...
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