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Science for Kids/Experts

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walter hintz

I can answer questions from kids in all grades in the areas of general science, biology and nature study

Sue Kayton

I can answer almost any student science question! I especially like ones involving silkworms, spacecraft and computers.

Ralph Salier-Hellendag

Science Fair Judge for many years and experience with robotics, biology, chemistry, industrial processes, metalurgy and metal forming.

Recent Answers

2016-10-29 help with science fair project idea:

Hi Cathy,    The variables in this case are too complex and difficult to control.  A better experiment is to look at resistance.  Take a 9 volt battery and using different gauges of wire and ammeter and

2016-10-22 Help:

Hi Aishwarya,    Just as a matter of English use, when you have a doubt, you ask questions to help resolve the doubt.  So, you may have doubts but you resolve them by asking questions.  Thus you have questions

2016-10-02 HHelp:

Hi Aishwarya,    Think of the word "matter" as a generic term.  Like "energy" it is generic.  There are different states of matter: solids, liquids and gases.  Some include plasma in the "matter" category

2016-09-28 question about eggs:

Hi Kayla,    I understand your confusion and concern for the baby in the egg.  First of all, the baby duck is not breathing for a long time, in fact it does not need to breath until just before it hatches

2016-09-21 Carbination:

Hi Michelle,    That is a very good question.  In the can, you have the drink and carbon dioxide gas (the bubbles).  When you shake the can, it causes the gas to come out of solution (the gas is dissolved

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