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Smelly Science: A Sniff Test

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Smelly Science: A Sniff Test Smelly Science: A Sniff Test What is the unit of measurement for the dilution factor or odor threshold in the Smelly Test experiment? How would you write this in a graph of information? Re: Smelly Science: A Sniff Test Dilution factors are not measured in units, as they are ratios of the volume of the new sample (mL) as compared to the volume of the stock sample (mL). When dividing, units "cancel out," so the mL unit is no longer used. You can construct a bar… Read more

Science Fair- independent variable

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Science Fair- independent variable Science Fair- independent variable My son is doing 7th Grade Science Fair this year with our homeschool group. He choose to do "Which coffee cup keeps your drink hot the longest?" We are a few weeks into the process and have come to the realization that we cannot find identical sized coffee cups in stainless steel, ceramic, glass, styrofoam, & paper. We have found very similar sized cups in ounces and mouth openings, but the cups are not precisely… Read more

Quantum Photovoltaics (Solar panels)

Ask an Expert Topic Forum: Grades 6-8: Physical Science

Quantum Photovoltaics (Solar panels) Quantum Photovoltaics (Solar panels) Are Quantum Photovoltaics more efficient than Monocrystalline solar panels? My group is doing a project on a way to make energy more efficient. We have decided on solar panels. We have been researching Quantum Photovoltaics, but cannot find many sources. Are you or do you know a credible source on Quantum Pholovoltaics. If not, do you have any suggestions on how to make solar panels more efficient. Read more

Vitamin C- Catchy Title

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Vitamin C- Catchy Title Vitamin C- Catchy Title Hello! My daughter is doing her 6th grade Science Fair Project on "Which juice contains the most Vitamin C (fresh squeezed orange juice, apple, grapefruit or pineapple)?" She will be using titration to test for Vitamin C. However, we are having a hard time trying to find a catchy title for her project. Can you give us some ideas please? Re: Vitamin C- Catchy Title Hi! This sounds like a cool experiment! Typically science fair project names… Read more

Questions about the Banana Testing Project

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

Questions about the Banana Testing Project Questions about the Banana Testing Project In reference to https://www.sciencebuddies.org/science-fair-projects/project-ideas/FoodSci_p063/cooking-food-science/how-sugar-content-changes-in-ripening-fruit, for steps 3-9, is it all testing one singular banana? Or is it all five of the unripe bananas are tested on the day you get them, and then cutting off a little more of the banana as the days go. If it is all 5 at one time, how do I store the bananas… Read more

Parasitology

Ask an Expert Topic Forum: Careers in Science

Parasitology Parasitology How do you think water can serve as both a medium for communicable and non communicable diseases. Read more

Hitting the Target: The Importance of Making Sure a Drug's Aim Is True

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

Hitting the Target: The Importance of Making Sure a Drug's Aim Is True Hitting the Target: The Importance of Making Sure a Drug's Aim Is True What does it mean when it says “Where do the "Patched" proteins match your sequence? Researchers do not know where the drugs bind the NPC1 protein, but where could the drugs bind and probably not also bind the Patched proteins?” ? In the BLAST website there is nothing labeled “patched”,and how am I supposed to know where the drugs bind? The graphical… Read more

Measuring oil in soil

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Measuring oil in soil Measuring oil in soil what would be a good test kit to measure a certain oil level in soil? Re: Measuring oil in soil Hello! We'd be happy to help you try to find a test kit for your project. What specific type of oil are you trying to measure the levels of? Re: Measuring oil in soil motor oil Re: Measuring oil in soil Hello, Does your project require you to measure the exact amount of oil in the soil? I did a search online and found hydrocarbon detection strips… Read more

Parasitology

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

Parasitology Parasitology parasitological essay on relative differences between infectious diseases in Sub Saharan Africa and Western Europe. How do you think water can serve as both a medium for communicable and non communicable diseases. Moderator note: I've combined your two posts ... and I'm cross-posting this to the Grades 9-12 Life Sciences since those experts will be able to answer your questions. Good luck with your project! Madeline Re: Parasitology Hello, Water can contain… Read more

Question about Turn Milk into Plastic activity

Ask an Expert Topic Forum: STEM Activities

Question about Turn Milk into Plastic activity Question about Turn Milk into Plastic activity Please try and see if you can make transparent wood. I know It is possible, but I don't really know how. Anyway, I am a fan of your videos, and your experiments. If you want to know how, go to Youtube.com and search up Nile red. Then, on his channel, you can find many cool science experiments he does, including making wood clear. ------------------------------------- Leave this to help the… Read more

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