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Science for Kids/Expert Profile

Ralph Salier-Hellendag

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Expertise

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

Experience in the area

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.

Education/Credentials

BA Archaeology - Anthropology
MA Business Anthropology

Average Ratings

Recent Reviews from Users

User	Date	K	C	T	P	Comments
Holly	11/20/09	9	10	10	10
helen	11/17/09	10	10	10	10	thank you
Landry Bobo	11/12/09	10	9	10	10
Landry Bobo	11/12/09	10	10	10	10	You are great!
Victor	10/29/09	10	10	10	10

Recent Answers from Ralph Salier-Hellendag

2009-11-22 Convection:

Hi Amanda, The air circulation in a furnace or a heating system functions by convection as does boiling water or even the outside air gets heated and moves upward in a convective movement. The

2009-11-21 science fair project:

Hi Michelle, Shame on your daughter for waiting so long. The hypothesis is a simple statement that would go some thing like this: "unpopped pop corn stored in a cold place will pop better when popped

2009-11-20 velocity of different liquids:

Hi Ashley, The problem is not so much the velocity but rather the amount of drag/friction based on the viscosity of the liquid. The more viscus, the higher the drag thus the slower it runs thru the

2009-11-19 Boiling Liquids:

Hi Taylor, Since all of these liquids already are water based, I'm not sure that you will find different boiling points for them. You would be better off with liquids that are NOT water based and

2009-11-18 Science Fair Projects:

Hi Holly, It may not be a direct aid to society but many of todays diseases are genetically studied and they will mark parts using the glowing gene to mark where a sequence attaches and what it does

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