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| Subject | Date Asked |
| Taste Testing | 11/29/2011 |
| Q: I have a science fair project that I am doing for school and I am very confused. For my project I ... A: Is your question "Does age affect whether or not a person likes original food products of healthy ... | |
| Science | 9/25/2011 |
| Q: Uhm , hii . Well I was wondering what a dependent variable is . ? Thankss . A: In an experiment in which you change things, the independent variable is the thing you change and ... | |
| soda carbonation | 5/14/2011 |
| Q: I'm doing a 5th grade science project on what soda can keep its carbonation the longest. Do you have ... A: Can you tell me more about you experiment? What is your goal? To see if there are still carbon ... | |
| science fair project | 5/3/2011 |
| Q: My daughter has a science fair project; Which stays cold longer bottle vs can. I cannot find a ... A: I am not sure if you will be opening the can or bottle, but if so, you can try a probe thermometer ... | |
| Fruit decay and gas | 2/21/2011 |
| Q: My son is in 5th grade and choose a science experiment that requires that we mash up fruit, put it ... A: The trick behind this is getting the fruits to ferment. I am wondering how long you left the mashed ... | |
| Physics of Swimming | 12/12/2010 |
| Q: I am a seventh grade student and I am doing a group project about the physics of swimming. My ... A: My suggestion for you is not to look at the swimming pool itself, but rather to focus on the energy ... | |
| what does this do with real life problems?? | 11/30/2010 |
| Q: For my scenice fair project i would really like to do "how many licks does it take to get to the ... A: I am not sure how your project could help you solve a problem in real life, but it might be ... | |
| HELP!!! ITS A SCIENCE EXPERIMENT!!! URGENT!!! | 11/30/2010 |
| Q: Do plants react to the presence of other plants or music or different colored light? A: These are all certainly questions that you could test via investigations. Plants should not react ... | |
| science | 11/7/2010 |
| Q: What exactly is sifting mix? What does BTB stand for? A: I do not believe there is a general "sifting mix," but the term is often use to mean a mixture of ... | |
| 5th grade science fair project | 10/8/2010 |
| Q: My son wants to do a science project with soft drinks and carbonation but I am having difficulty ... A: You can definitely test this, although you might wind up with a few extra variables involved (such ... | |
| crystal garden | 9/14/2010 |
| Q: i will be helping my daughter with a science fair project and she chose crystal garden. she would ... A: One of the easier crystal recipes is to use a supersaturated solution of borax. You can take room ... | |
| tornado fury | 5/10/2010 |
| Q: i was wondering that what is a variables for the the science project. i need the answer by 5/15 ... A: I am not sure what tornado fury is. Can you explain more? In general, variables are things that ... | |
| cornstarch and water | 4/24/2010 |
| Q: Does a cornstarch and water experiment relate to a science unit in fluids, and would it show ... A: The cornstarch and water solution you are describing would definitely relate to fluids. In a proper ... | |
| bacteria experiment | 3/21/2010 |
| Q: I'm doing a science experiment to test which part of the mouth has the most bacteria. i will swab 4 ... A: What a great question. You seem to be using a reasonable number of subjects and have a sound ... | |
| Experiment | 3/6/2010 |
| Q: I am trying to do my experiment for my upcoming 7th grade science fair but it's not working. I am ... A: I have a feeling that you are not producing enough current for your light bulb. What kind of light ... | |
| Testing strength of glue | 1/18/2010 |
| Q: I am an eighth grader and I am doing a science fair project of testing the strength of glue. I am ... A: You're off to a great start. One thing you want to ensure is that the wood you use is stronger than ... | |
| HELP ! | 11/29/2009 |
| Q: Why is Fertilizers useful to plants but harmful to the environment ? x A: Most fertilizers contain nitrogen, potassium, and phosphorous. Nitrogen, which promotes plant ... | |
| New Project? | 11/25/2009 |
| Q: I am a 8th grader. The original project, measuring the content of milk protein during different ... A: To the best of my knowledge you would not be able to do any kind of reasonable test for calcium ... | |
| science | 11/18/2009 |
| Q: Why does more gas escape from a bottle of soda when you open it at room temperature than if you get ... A: When the soda is warm, the more CO2 is able to dissolve in the soda; when lower, less CO2 dissolves ... | |
| growing bacteria | 11/6/2009 |
| Q: we are trying to devise a 3rd grade science fair project using petri plates with agar to test ... A: The easiest thing to do would be to swab surfaces that you touch a lot - like a door knobs or sink, ... | |
| Plants | 11/3/2009 |
| Q: We are doing a project water -vs- orange juice. We are trying to figure out if a plant can survive ... A: You are testing whether or not using orange juice instead of water will affect plant growth. This ... | |
| chromatography | 11/2/2009 |
| Q: what type of information can scientists get by using chromatography? A: There are many types of chromatography. The first step in chromatography is separating out ... | |
| control group | 10/25/2009 |
| Q: What is a control group? A: When you are trying to find out how one thing affects something else, your experiment includes a ... | |
| egg drop | 10/21/2009 |
| Q: I am doing an egg drop project. It needs to survive a drop off the 3rd story of a parking garage.. ... A: Have you tried adding some kind of parachute for air resistance? You can try padding the bottom of ... | |
| air and flight | 10/15/2009 |
| Q: i am supposed to be doing a grade 7 project for science.i am to build a flying object using ... A: You need to find something with a motor of its own that can attach to blades. You may have to ... | |
| steam | 10/11/2009 |
| Q: If I put cold water in capsules on a wheel and had them pass through heated water in a tray or dish ... A: I would need a diagram to give you a full scientific explanation. However, what you're talking ... | |
| Photosynthesis and Resporation | 10/9/2009 |
| Q: I am in 6th grade and we recently are doing a unit on "Photosynthesis and Respiration". We did a ... A: Your teacher is looking for you to understand that in plants, photosynthesis happens during the day ... | |
| science | 10/7/2009 |
| Q: If you were making a cake in an oven which one would it be conduction, convection or radiation and ... A: Most ovens are conduction ovens. Conduction is when heat is transferred directly from one molecule ... | |
| water | 10/7/2009 |
| Q: do icebergs float? A: That's a great question. Icebergs are quite large and do float, but only around 1/7th or 1/8th (up ... | |
| science | 10/4/2009 |
| Q: To what kingdom do protozoans belong? A: That's a great question. The kingdom system of classification is constantly changing - at times, ... | |
| Circular motion | 9/20/2009 |
| Q: Do you know any websites where I can find Computer simulations in analysis of circular orbits(motion ... A: When you talk about the circular force, you are actually talking about a combination of factors ... | |
| bacteria | 9/14/2009 |
| Q: How might some types of bacteria be helpful to the environmet? A: There are many types of bacteria that are helpful to the environment. "Nitrogen fixing bacteria" ... | |
| Homework Question | 9/13/2009 |
| Q: I am a 6th grade student. I am supposed to write a pargraph about solar radiation for my Science ... A: Solar radiation is essentially light waves - including some light waves like ultra violet and ... | |
| science | 8/26/2009 |
| Q: Sir, Why is carbondioxide higher in jungles at night? I am in IV class. kris A: When you think about a jungle, you typically think about a great deal of trees. During the day, ... | |
| Do we have the same tastebud? | 8/25/2009 |
| Q: I have a question to ask, when I saw my dog eating my biscuit, I was wondering, do dog have the same ... A: You ask a lot of great questions. In truth, scientists don't know that people all see / taste / ... | |
| Physics | 8/25/2009 |
| Q: How do you solve this problem? Calculate the force of gravity on a 1-kg mass at Earth's surface. The ... A: For an object on the surface of the earth, the distance = the earth's radius The mass 1 = 1kg Mass 2 ... | |
| worldwide afforestation | 8/6/2009 |
| Q: I have problems with this question "Why should a worldwide afforestation programme be considered?" ... A: Afforestation (also known as reforestation) is the process of planting seeds and trees in areas that ... | |
| Energy Conservation | 8/6/2009 |
| Q: define energy conservation A: You may be talking about one of two things, so I will explain both. 1) Energy conservation in terms ... | |
| Carnival Games Science Project | 1/6/2009 |
| Q: I am going to do a science project on whether carnival games are skill or trickery. I thought I ... A: You are proposing a good question. Carnival games use science to create a situation in which it is ... | |
| Science Project (EggDrop) | 12/10/2008 |
| Q: My class is doing a egg drop project where a egg is being dropped from twenty-five feet. The only ... A: You want to think about things that can slow the egg down as it travels, or can absorb some of the ... | |
| Fizz | 11/25/2008 |
| Q: My daughter is doing a science project on "how does temperature affect the amount of fizz". We have ... A: You may want to clarify your question a bit. A more precise question might be: "How does starting ... | |
| Science fair | 11/18/2008 |
| Q: I am a 7th grader and i and my friend have decided to enter for the science fair at my school. our ... A: I am thinking you are looking to figure out how plants can remove oil from polluted water, rather ... | |
| aerodynamics | 11/15/2008 |
| Q: i am a student studying in singapore, and i would like to ask if a heated glider would fly higher ... A: It depends on how the heat is applied. If it is applied to the glider overall, no. However, if you ... | |
| important | 11/14/2008 |
| Q: does color have an effect on a person food choice.How A: There are many animals that naturally avoid foods of a certain color. Many scientists believe that ... | |
| 5th Grade Science Fair...Help please! | 11/13/2008 |
| Q: I am helping my little brother with his science fair project and we are measuring the carbonation in ... A: How big are your mixing bowl and your measuring cup? You may want to fill the measuring cup until ... | |
| science fair research paper / currently accepted theories | 11/13/2008 |
| Q: My son is working on how different liquids affect the growth rate of bean seeds. He can't find any ... A: When you talk about the rate of growth of bean seeds, a number of factors come into play. First ... | |
| Science | 11/8/2008 |
| Q: How does wetting a paper towel affect its strength? A: A paper towel is made up of many tiny fibers. When the paper towel is wet, the fibers are grabbing ... | |
| Science | 11/7/2008 |
| Q: How does dishwashing liquid clean away oil? A: That's a great question. Dishwashing liquid is made up of two-sided molecules. One side of the ... | |
| wind turbines | 11/2/2008 |
| Q: I chose wind turbines as my science project. Now, I just need an inexpensive way to make a small ... A: Can you describe the pinwheel / take a picture of it so I can get a better look? If it has a ... | |
| science experiment with food acids | 10/28/2008 |
| Q: My 5th grade son is doing his first independent science project at school. He wants to do something ... A: You are correct about the lemon juice - I typically see store bought lemon juice with a pH of a bit ... | |
| science experiment with food acids | 10/27/2008 |
| Q: My 5th grade son is doing his first independent science project at school. He wants to do something ... A: 1) The role of the acid in this experiment is actually to remove the oxidized copper around the ... | |
| Compounds | 10/23/2008 |
| Q: What are some common household compounds other than salt, sugar, water, vineger, carbon dioxide, ... A: Compounds are substances that consist of two or more elements that are joined together through ... | |
| hygroponics | 10/14/2008 |
| Q: OK hi, i have some questions about hydroponics that i need to use for my S.R.P. 1. if aquaponics(to ... A: Good questions. Let me take them one by one. 1) While you can germinate a plant with no nutrients ... | |
| Amoebas & Animals & Plants | 10/12/2008 |
| Q: Are amoebas harmful or helpful to Animals and Plants? How are they harmful or helpful to animals ... A: That's a great question. Sometimes, things can be both harmful and helpful. Amoebas are one such ... | |
| variables in science | 10/12/2008 |
| Q: Please explain the three varaibles of manipulative variable, response variable, and control ... A: Hypothesis are hard. When you are stating a hypothesis, you are stating that something will happen ... | |
| variables in science | 10/11/2008 |
| Q: Please explain the three varaibles of manipulative variable, response variable, and control ... A: Good question. When you are talking about the manipulative variable, you are talking about the ... | |
| transform of energy | 10/11/2008 |
| Q: How can you show the transform of energy by a simple experiment? A: Turning on the lights in your room is actually an example of energy transformation. You are taking ... | |
| The Egg Drop Science Fair Project | 10/7/2008 |
| Q: Im Am in the 5th grade and for Science Fair this year I am doing the egg drop. I need information ... A: During egg drop experiments, people usually design a "packaging for an egg", place the egg in the ... | |
| science | 10/6/2008 |
| Q: how does different fertilizer effect the growth of plants? A: Fertilizer contains minerals and nutrients that plants need in order to grow. While many ... | |
| Capacity vs. displacement | 10/5/2008 |
| Q: What is the difference between capacity vs. displacement? A: Capacity is the amount of something that another substance can hold. For example, a 2 liter bottle ... | |
| Science Fair - 6th grade | 10/5/2008 |
| Q: I've emailed you before, and you were a huge help. My Science Fair project is on "what is teh most ... A: Unfortunately I have no idea how long your paper needs to be - you should ask your teacher. Is it a ... | |
| Gravity | 9/29/2008 |
| Q: What happens if there is no center of gravity ? A: That's a good question. Believe it or not, every single object has a center of gravity. Usually, ... | |
| experiment that my duaghter has to do | 9/23/2008 |
| Q: can plants grow without soil? A: That's a good question. Soil provides nutrients or food for the plants. As seeds have their own ... | |
| amoebas | 9/17/2008 |
| Q: How do amoebas cause death in humans? A: There are a few different species (types) of amoebas that act as parasites (things that survive by ... | |
| Qualitative and Quatitative | 9/16/2008 |
| Q: I was wondering was qualitative and quantitative meant in the terms of an experiment. The experiment ... A: In general, you can think of quantitative in terms quantity, or amount / number. Quantitative data ... | |
| science project 8th grade | 9/12/2008 |
| Q: I have a topic and a question line set up and every thing cut i don't have a kit or i don't have an ... A: This is a good question. The first thing you have to ask is what your variables are. Your ... | |
| Measuring calcium in milk | 9/10/2008 |
| Q: Last year i measured the amount of vitmain c in orange juice as it is decreased or increased by ... A: Unfortunately, there is no easy way to measure calcium. Calcium can be measured using kits that ... | |
| How do you grow algae?? | 9/1/2008 |
| Q: When you grow algae, can you just take a sample out of any fish tank and put it in a separate jar?? ... A: This sounds like a great way to start growing algae. Just remember that algae are plants, so they ... | |
| Puddles | 8/31/2008 |
| Q: what things can live in a puddle? A: There are many different types of animals that can live in a puddle. Oftentimes, larger animals ... | |
| which is true? | 8/26/2008 |
| Q: You know that teachers say that the sea is blue because it reflects the sky, I recently read a ... A: That's actually a great question because as kids, we all learn that water is blue because of the ... | |
| shadows & Sunny days | 8/25/2008 |
| Q: My son is studying in 3rd grade. this term they have shadows and Sunny days as portions for their ... A: Wow! That's a difficult question. I had to look part of it up myself! Think about the earth as a ... | |
| Drums | 8/24/2008 |
| Q: I was wondering if you had any cool science experiments for my kids regarding drums. Something with ... A: One option your children have is creating a study of sound waves. Sound waves change in terms of ... | |
| Drums | 8/21/2008 |
| Q: I was wondering if you had any cool science experiments for my kids regarding drums. Something with ... A: While I don't know your grade level, I hope some of this helps. I think it might be interesting to ... | |
Answers by Expert:
Top Expert on this page
I can answer elementary and middle school level general science questions, as well as questions on high school level biology, environmental science, and animal science.
I have worked at general science centers as well as nature and environmental education centers, and use inquiry based approach to teaching.
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BA - Environmental biology, MsED in progress

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