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Science for Kids/Questions
| Subject | Date Asked | Expert |
| science | 9/27/2006 | Ralph Salier-Hellendag |
| Q: what is matter is? A: A very good question. What is Matter. Matter is any substance from the bark of a tree to water to ... | ||
| INVENTION CONVENTION:HELP!!!!!! | 9/27/2006 | Ralph Salier-Hellendag |
| Q: I'm a 7th grader in chicago illinois.This year it is PERMITTED that we enter the Invention ... A: How about an automated "toe jam" removal device? This would look kind of like a flip flop sandle ... | ||
| nailpolish ingredients | 9/25/2006 | Ralph Salier-Hellendag |
| Q: i need to find out for an experiment the different ingredients in nailpolishes and how it influences ... A: This will be difficult since most of the manufacturers are rather mum about their ingrediants. ... | ||
| antacid & pain reliever effervescent tablets | 9/24/2006 | Ralph Salier-Hellendag |
| Q: My 8 year old son wants to demonstrate adding water to pain relieving effervescent tablets at a ... A: The reaction that you see when the gas is expelled during the process is CO2 or Carbon Dixoide. ... | ||
| mass | 9/24/2006 | Ralph Salier-Hellendag |
| Q: My 10 year olds science home work, help needed. If 150g of sugar is dissolved in 100cm3 of water ... A: 1cm3 = 1 gram (g) of water; Thus 100cm3 = 100g of water (100cm3=100ml) 150g(sugar) + 100g(water) ... | ||
| matter | 9/22/2006 | Ralph Salier-Hellendag |
| Q: How do matter and carbonation relate? A: Carbonation is simply the Carbon Dioxide Gas which has been forcably disolved in soft drinks like ... | ||
| science - electricity | 9/21/2006 | Ralph Salier-Hellendag |
| Q: please, can any one suggest me a really intersting science project related to electricity about ... A: How about doing a project where you electroplate copper onto another metalic item? It is fairly ... | ||
| science | 9/20/2006 | Ralph Salier-Hellendag |
| Q: how weather effects food? A: Weather can effect food but it greatly depends on the type of food and the type of weather. So, ... | ||
| The ocean | 9/14/2006 | Ralph Salier-Hellendag |
| Q: how does the ocean create rainfall i.e. fresh water?Why do WE need the ocean? Answer - Hi ... A: Excellent question. The oceans being very large bodies of water exposed to the heat of the sun, ... | ||
| The Ocean | 9/13/2006 | Dan Fink |
| Q: Why do WE need the ocean? A: The oceans are the water storage for one end of the 'water cycle.' If the water cycle stopped, there ... | ||
| The ocean | 9/13/2006 | Ralph Salier-Hellendag |
| Q: Why do WE need the ocean? A: Why do we need the oceans? With out the oceans, our atmosphere would have much more carbon dioxide ... | ||
| Earth's magnetic field | 9/11/2006 | Dan Fink |
| Q: I need help answering how the earths magnetic field affects magma? A: It's more the other way around --- the theory is that the movement of magma is actually what ... | ||
| egg drop | 9/7/2006 | Dan Fink |
| Q: my partner and i have to build an egg dropping device. our materials are limited to wood (with a ... A: Ouch! That's rough--the best materials to use for the egg drop are layers of foam in differing ... | ||
| egg drop | 9/7/2006 | Ralph Salier-Hellendag |
| Q: my partner and i have to build an egg dropping device. our materials are limited to wood (with a ... A: To keep your egg from becoming egg drop soup, try to build a lattice work of wood around it so that ... | ||
| chemistry | 9/2/2006 | Dan Fink |
| Q: how could i extract a vegetable oil by distilation? A: because of the intense interest in biodiesel fuel. Vegetable oils can be extracted from plant seeds ... | ||
| physical science | 8/23/2006 | Dan Fink |
| Q: does technology always follow science A: I think it's safe to say that in general, technology does follow science. However, it takes a big ... | ||
| Light Switch | 8/22/2006 | Dan Fink |
| Q: Who invented the light switch? A: This ends up being a difficult question to answer! Switches were invented in the earliest days of ... | ||
| Magnet experiment | 8/18/2006 | Dan Fink |
| Q: Magnets were put on a pencil. They did not touch, and moved like a spring. What causes the magnets ... A: In explaining magnets, one eventually gets into a PhD-level field of science called "Quantum ... | ||
| phosphorus | 8/9/2006 | Ralph Salier-Hellendag |
| Q: How was phosphorus discovered what is something interesting about phosphorus A: Phosphorus is a rather interesting element and is esential to life. It is found in all living ... | ||
| bubble stuff | 8/1/2006 | Ralph Salier-Hellendag |
| Q: Since you are a science fair judge, you may be able to help me. I work in a preschool setting. I ... A: It may be the amount of soap in the water. I know that the soap solution used in the big bubble ... | ||
| organic chemistry | 8/1/2006 | Ralph Salier-Hellendag |
| Q: how do apples going brown have anything to with organic chemistry and if so what topic would it ... A: I will make an assupmtion here that the apple has been cut in half and is now exposed to the air. ... | ||
| maple trees/syrup and leaves changing colors | 7/24/2006 | Dan Fink |
| Q: Which kind(s) of maple trees give syrup? How old does the tree need to be? How do you do it? Why ... A: Since I live about 1500 miles from the nearest sugar maple tree, I'll have to refer you to some ... | ||
| DINOSAURS | 7/13/2006 | Dan |
| Q: Hey. My name is Ida. I have some questions about dinosaurs. 1) How can experts and proffesors ... A: Your question is a drop complex for here. You should ask in our biology area, however experts can ... | ||
| magnetism | 6/28/2006 | Dan Fink |
| Q: I have a patent on a working prototype that I have use myself and it works great. It is designed ... A: The phenomenon you are seeing is called magnetic saturation -- the magnetic field is indeed coming ... | ||
| Solar Power stuff | 6/27/2006 | Dan Fink |
| Q: Do you know of any activities or hands on demos for kids to do to learn about solar power (besides ... A: There are all kinds of insteresting and fun experiments you can do with small photovoltaic (PV) ... | ||
| Science Grade 9 Formulas | 6/27/2006 | Dan Fink |
| Q: So, It's nearing the end of the year but I still can't keep my finger on the formulas of ... A: I have to use Ohm's law everyday at work, and I'm terrible at remembering formulas. So what I do for ... | ||
| Dinosaurs | 6/22/2006 | Ralph Salier-Hellendag |
| Q: How do they...the expert knew that theyu lived 65million years ago?and how do they knew that when ... A: Au Yu Guo, The dinosaurs died out about 65 million years ago as a result of an ELE (Extinction ... | ||
| Egg Drop | 6/21/2006 | Dan Fink |
| Q: My Teacher has just assigned us an egg drop project for science and me and my partner don't know ... A: I've pasted in a copy of a previous question about the egg drop, below. In your case -- the ... | ||
| carbon cycle;nitrogen cycle;phosphorus cycle | 6/19/2006 | Ralph Salier-Hellendag |
| Q: the above cycles;carbon,nitrogen,phosphorus all illustrate which of the following? law of ... A: Matthew, All of the cycles you are looking for can be found on the internet including good ... | ||
| resources | 6/17/2006 | Ralph Salier-Hellendag |
| Q: of the following, the example that illustrates the reuse of a resource is? making swing out of old ... A: The reuse of resources is simply stated as recycled material. The tire swing uses an old tire and ... | ||
| raft building made easy | 6/14/2006 | Ralph Salier-Hellendag |
| Q: please could you tell me in a very easy way on how to build a ten person raft for a raft race please A: A ten person raft needs to be very stable since people move around. Also depending on the nature of ... | ||
| resource | 6/10/2006 | Ralph Salier-Hellendag |
| Q: which one of these is the example that illustrates the reuse of a resource? making a swing from an ... A: Making a tire swing, making a car engine from cans, and using glass for road pavement are all ... | ||
| Golfish colour and behaviour changes due to background colour change | 6/8/2006 | Ralph Salier-Hellendag |
| Q: My friend and I are doing an assignment in Year: 11 Biology. We are looking at colour change and ... A: You have an interesting idea for an experiment. I'm not sure that gold fish are the best choice. I ... | ||
| Flying machine inventors bag | 6/7/2006 | Dan Fink |
| Q: My neice has a project from school that we are trying to figure out. The project is an inventors bag ... A: Wow, talk about a project for creative thinking! I think your 2 options for making it fly are ... | ||
| evaporation | 6/6/2006 | Dan Fink |
| Q: why do things dry quickly in the sun? A: Heat (in this case from the sun) speeds up evaporation of water--it gives the water molecules more ... | ||
| Egg Drop | 6/4/2006 | Dan Fink |
| Q: I'm a 6th grader, it's the last week of school and our teacher assined us a project. We have to ... A: You are stylin' because your teacher did not restrict what materials you can use! I've included a ... | ||
| ambleeopa | 6/1/2006 | Dan Fink |
| Q: this ambleeopa is about lazy eye can you tell me more about this? A: It's not fully known what causes it -- worse vision in one eye, problems with the muscles that make ... | ||
| thermoses | 6/1/2006 | Ralph Salier-Hellendag |
| Q: Is bubblewrap good to use in an thermos? A: Bubble wrap is a very good insulator and behaves like a thermos in some ways. I'm not sure what you ... | ||
| necessary organism environment | 5/23/2006 | Ralph Salier-Hellendag |
| Q: What two environments do every living organism survive in? I am a fifth grade student who needs to ... A: This one takes a some thought. All organisms need food and an environment condusive to ... | ||
| Forensic Science | 5/10/2006 | Ralph Salier-Hellendag |
| Q: However, if I may get yr help, the question is, what kind of forensic tests can be used to confirm ... A: Among the tests that could be done: 1) a paper litmus which looks at the amount of acid/base in the ... | ||
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Science for Kids
Answers by Expert:
Ralph Salier-Hellendag
Top Expert on this page
Expertise
Science Fair Judge for many years and experience with robotics, biology, chemistry, industrial processes, metalurgy and metal forming.
Experience
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
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