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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

Ralph Salier-Hellendag

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

Sue Kayton

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

Recent Answers

2017-02-18 Help:

Hi Aisharya   I wish I could tell the name of this tree but all I know is that it is a species of Palm.  I know this because I was traveling in a rain forest  in Belize when our guide cut a branch off

2017-02-06 Help:

Hi Aiswarya,    An example:  1+1=2. Therefore.  1+ a = 2. Where a = 1.   If I now say. 1+ h = 9. What does h have to be equal to?      An example:  10 / 5 = 2. Therefore 10 / e = 2. Where e = 5. If I now

2017-02-05 Help:

Hi Aiswarya,    How does one determine area of a square?  Length times width, correct?  The same is true for a rectangle.  So why would this be different for a paralleogram or rhombus?  N the case of a

2017-02-05 Help:

Hi Aiswarya,    It's not that numbers were discovered, but rather evolved from counting on ones fingers, toes and objects.  Primative man and many animals have a concept of "counting". In some cultures

2017-02-05 Help:

A symbol, letter, mathematical sign all developed over time.  Symbols and letters have been used for "missing" numbers for a very long time.  It is a way to fill in the blank.

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