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

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Science Fair Judge for many years and have helped several students get to state level competition. Most recently 2 of my students received state level awards and one went on to the nationals in Washington DC.


BA Archaeology - Anthropology
MA Business Anthropology

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Anita02/02/16101010Thank you for the answer it is .....
AB 12/15/15101010 
AB 12/14/15101010Thanks

Recent Answers from Ralph Salier-Hellendag

2017-02-27 Help:

Hi Aishwarya,    All matter is made of something.  In the case of water, it is made of two elements, hydrogen and oxygen.  Since it is a combination of two elements it is called a molecule.  Hydrogen and

2017-02-26 Help:

The basis of all matter are atoms and the particles that make the atom.  It is the particles within the atom which have mass.  Add together the mass of all of the particles within an atom and you get the

2017-02-26 Help:

Aishwarya,    Volume has nothing to do with density or matter, all volume is, is a way to measure something be it a gas, liquid or solid.  You can even measure a vacuum by volume.  Density is only a property

2017-02-26 Help:

Aishwarya,    Density is only one of many properties (characteristics) of matter.  Matter is the basis.  It is made of atomic particles that have mass.  Density does not have mass.  Density speaks to how

2017-02-25 Help:

Hi Aishwarya,    I'm not sure I understand your question.  There are 4states of matter: gas, liquid, solid and plasma.  Each can have different densities.  This depends on various physical factors such


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