| Subject | Date Asked | Expert |
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| Magnetism | 8/15/2005 | Ralph Salier-Hellendag |
Q: 1.How will a compass behave if it is right at the north pole? 2.Is a body travelling in a vehicle ...
A: Richard, 1) The North Pole is a little different from the Magnetic North Pole so when standing at ...
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| shuttle | 8/12/2005 | Dan Fink |
Q: my name is jon I am 10. could you please tell me what frequency nasa uses to talk to the shuttle and ...
A: Practice! Astronauts train in zero G simulators (the large NASA airplane called the "vomit ...
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| shuttle | 8/9/2005 | Dan Fink |
Q: my name is jon I am 10. could you please tell me what frequency nasa uses to talk to the shuttle and ...
A: ...cool question, I've been watching the video and audio feeds from the shuttle on the internet all ...
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| universe | 8/8/2005 | Dan Fink |
Q: hey my names josh i was wondering what the difference and similarities are between the christian ...
A: The big difference is in the timeline. Christian fundamentalists claim the earth is only 6000 years ...
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| universe | 8/8/2005 | Dan |
Q: hey my names josh i was wondering what the difference and similarities are between the christian ...
A: Good question. I am not an expert on Christian view, so I have to send you to two other sites for ...
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| Why does soda go flat... | 8/2/2005 | Ralph Salier-Hellendag |
Q: Why does soda go flat?
A: Soda goes flat because the carbonation used to make it fizzy is put into the soda under pressure. ...
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| Fish | 7/26/2005 | Dan |
Q: How do fish pee?
A: Good question. The first question we need to ask is do fish pee? The answer is yes. You can read ...
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| Ionic Propulsion | 7/16/2005 | Ralph Salier-Hellendag |
Q: I have been researching ionic propulsion and was wondering your take on it. I believe it is ...
A: Yes, The JPL (jet propulsion laboratory) is working on various versions of IP. The JPL is part of ...
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| Ionic Propulsion | 7/16/2005 | Dan Fink |
Q: I have been researching ionic propulsion and was wondering your take on it. I believe it is ...
A: Ionic propulsion is most certainly for real. My question for you is, are you thinking about its uses ...
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| Cause of noise on bridge | 7/7/2005 | Dan Fink |
Q: Please tell that while travelling on train, whenever we go through a bridge the voice of train or ...
A: The effect you hear is beacuse of echoes--sound from the train's engine, sound from your train car's ...
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| Boiling point | 7/6/2005 | Ralph Salier-Hellendag |
Q: If we boil ordinary water and sweated water (water coming out from our body pores during exercises ...
A: Usman Good question. Distilled water boils at 100 degrees C or 212 F depending on elevation and ...
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| what is the relationship between... | 6/20/2005 | Dan Fink |
Q: what is the relationship between mass and weight and gravity?
A: Good question! The reason scientists use mass instead of weight is that weight is really dependant ...
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| Water property | 6/4/2005 | Dan Fink |
Q: Fink, This is a fairly specific but at the same time quite general question I think. I'm not sure ...
A: Called a meniscus, because it's lens-shaped. It can be either concave or convex. You are seeing the ...
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| air and aerodynamics | 5/24/2005 | Ralph Salier-Hellendag |
Q: i am a grade 6 student, i had been researching on air and aerodynamics but i have awhy is the higher ...
A: I'm not sure what you are asking. Do you mean why are mountains colder when they are closer to the ...
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| Rose Leaf | 5/17/2005 | Ralph Salier-Hellendag |
Q: Would like to know whether the leaf of the Rose is smooth or rough?
A: Wan Kam, It depends on the type or veriety of rose. But most are very dark green on the top ...
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| pond ecosystem | 5/10/2005 | Dan Fink |
Q: How are water beetles depended on in a pond ecosystem? What could we kids do to keep people from ...
A: The biggest ecologic issue for wetlands is how fast they are being drained for development. The ...
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| Photosynthesis | 5/6/2005 | Dan |
Q: I am 10 years old and have studied photosynthesis in my 5th grade class. I was wondering if pine ...
A: You ask a very good question. Pine trees is not my area of study and for this I would recommend ...
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| science | 4/28/2005 | Ralph Salier-Hellendag |
Q: science is a friend or foe?
A: Raj, It depends on your cultural and religious background. people from very religious (orthodox) ...
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| science | 4/28/2005 | Ralph Salier-Hellendag |
Q: Science-is it a friend or foe?
A: Ramesh, I guess that it depends on your cultural background. People who come from very religious ...
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| ANIMALS | 4/25/2005 | Dan Fink |
Q: WHERE DO SQUIRRELS GO IN THE WINTER?
A: Unlike bears, squirrels don't hibernate. Their leafy nests up in the trees are marvelously designed ...
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| DAIRY | 4/25/2005 | Dan Fink |
Q: WHY DOES MILK CURDLE?
A: It curdles because of acid -- you can make it curdle instantly by adding lemon juice. The proteins ...
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| mold | 4/24/2005 | Dan Fink |
Q: if mold grows, and its mixed with water, can it become a living thing?
A: Mold is already a living thing -- not a plant, not an animal, but a fungus. Fungi reproduce with ...
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| Class Pet | 4/16/2005 | Dan |
Q: I am a teacher in the making and I was wondering about how a class pet would help the students ...
A: Sad as I want to recommend an animal I cannot. I am sure people back when told me how in their class ...
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| evaporation | 4/16/2005 | Dan Fink |
Q: Fink, We have been learning about how things change. We melted snow and have been observing the ...
A: Three things affect the rate of evaporation -- the composition of the liquid, the liquid's ...
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| plants | 3/25/2005 | Amy |
Q: Labman wasn't good help so I am going to you. I'm a 7th grade student doing a plant experiment. The ...
A: Do you mean table salt? How much salt are you planning to put into the plant? What kind of plant and ...
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| Human Evolution. | 3/25/2005 | Ralph Salier-Hellendag |
Q: I have several questions: 1) Where and when did the Homo sapiens (archaic) evolve, and where had he ...
A: You are asking the same fundamental questions that the scientific world is asking. 1) When is not ...
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| plants | 3/24/2005 | Amy |
Q: I AM DOING A PROJECT ON SWEET PEAS. HOW FAST DO YOU THINK THEY WILL GROW W/ HONEY.
A: I think there is something wrong with All Experts at the moment. It's coming up that I've already ...
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| my plant the sweet pea | 3/24/2005 | Amy |
Q: My name is Amy also. Amy Aupperle is my name. i am wanting some reach search on the plant called the ...
A: I think there is something wrong with All Experts at the moment. It's coming up that I've already ...
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| PLANTS | 3/24/2005 | Amy |
Q: I AM CONDUCTING ONE AT HOME USING SUNFLOERS,MY EXPERIMENT QUESTION IS IF I PLANT ONE SUNFLOWER IN ...
A: I think there is something wrong with All Experts at the moment. It's coming up that I've already ...
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| science question | 3/17/2005 | Dan |
Q: Dan - I was just wondering, why is the grass green? and is it possible for it to ever be a different ...
A: Please try this site. http://www.pa.msu.edu/~sciencet/ask_st/040892.html Now, there are many many ...
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| chemistry | 3/17/2005 | Ralph Salier-Hellendag |
Q: My project is on " which dishwashing detergent is the best degreaser. " Thus telling you this, can ...
A: This is a fairly common type of experiment. Some do it with soap, others with laundry detergents ...
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| Invertebrates | 3/15/2005 | Ralph Salier-Hellendag |
Q: I need to find the scientific names of many different invertebrates for my ...
A: There are several places on the web which could give you this kind if information. Here are some ...
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| How do mirrors work? | 3/11/2005 | Amy |
Q: my name is Brennan and I attend Sacred Heart School. For our computer class, we are submitting ...
A: To understand mirrors, we must first look a little bit at light light. Light rays really are made up ...
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| plants cannot survive | 3/10/2005 | Ralph Salier-Hellendag |
Q: Could you suggests two geographical locations on Earth where many plants have difficulty surviving ...
A: Yes there are many places on earth where plants have a very hard time surviving. 1) Antarctica ( ...
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| Goldfish Behavior | 3/7/2005 | Amy |
Q: I am doing a science project about the behavior of goldfish when they see their reflection in a ...
A: I think you've chosen a really good project! Here's what I think you should do. Scientific ...
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| Behavior of Goldfish | 3/7/2005 | Ralph Salier-Hellendag |
Q: I am doing a science project about the behavior of goldfish when they see their reflection in a ...
A: As far as I am aware goldfish show no reaction to a reflection. However, "fighting fish" do react ...
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| Recent environmental camp experience | 3/5/2005 | Amy |
Q: My inner-city students have recently returned from a week at a school sponsored environmental camp. ...
A: Here's a few ideas. I'll write again if I think of any more. 1. I think one good way of doing it is ...
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| Heat and cold | 3/2/2005 | Amy |
Q: When a warm object is placed in cold water,does the object give off warmth or does it take on cold? ...
A: here's your answers: The warm object gives off the heat energy and the cold object picks it up. ...
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| Maturity!!!! | 3/1/2005 | Amy |
Q: im doing this project and we have to find out from experts the answer to the question we have in ...
A: great to see someone else from Canterbury. I was there between 95-99 and did biochem as my major. ...
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| humans vocal cords | 2/26/2005 | Ralph Salier-Hellendag |
Q: what are vocal cords what do they do
A: Vocal cords work the same way the strings on a violin work. When air goes over them, they vibrate. ...
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