Ask an Expert (Page 148)

How Would I Get Started?

Ask an Expert Topic Forum: Grades 9-12: Physical Science

How Would I Get Started? How Would I Get Started? Hello all! I am planning to do my science project based on "Batteries: The Shocking Truth." The area of science is energy and power. The questions are: How does the batteries' voltage change over time? At what voltage does the device stop functioning? Can you do the same test for other devices or types of batteries? How would I get started on this project? I know I am required to measure the electrical voltage and current, but how would I… Read more

Question about Foaming Fake Snow activity

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

Question about Foaming Fake Snow activity Question about Foaming Fake Snow activity Type your question below and then press Submit! How do I know what kind of measuring cup to use it does not say what kind pls report to this immediately because I'm dong a science fair project. :? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/foamy-white-snow]Foaming Fake Snow[/url] Re: Question… Read more

Question about the "Why Aren't All Medicines Pills?" experiment

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

Question about the "Why Aren't All Medicines Pills?" experiment Question about the "Why Aren't All Medicines Pills?" experiment Hello :) I just wanted to confirm if I'm correct in that protease enzymes break the peptide bonds within jello, thus altering its physical shape, and that's why it can be compared to insulin since it's also made up of peptide chains! I was also wondering how the preservatives or sugar in jello can affect the chemical structure of the gelatin… Read more

What are qualitative properties of matter called?

Ask an Expert Topic Forum: Grades K-5: Physical Science

What are qualitative properties of matter called? What are qualitative properties of matter called? Are qualitative properties of matter called [i]physical qualities[/i] of matter, if quantitative properties of matter are called physical quantities of matter? Re: What are qualitative properties of matter called? Qualitative properties of matter Qualitative physical properties Please note, these forums are for questions related to K-12 student science projects. Are you working on a student… Read more

How neutral density filters and optical filters are made?

Ask an Expert Topic Forum: Grades 9-12: Physical Science

How neutral density filters and optical filters are made? How neutral density filters and optical filters are made? I am wondering if anyone know the composition of oxides in a standard neutral density filter or other optical filter? This project is for IB Internal Asesement and a personal project. I have read the they are composed of cobalt oxide + another oxide for a desired percentage of light block. I understand that CoO is extremely toxic. Is there an alternative I can use? I would… Read more

Water to Fuel to Water: The Fuel Cycle of the Future

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

Water to Fuel to Water: The Fuel Cycle of the Future Water to Fuel to Water: The Fuel Cycle of the Future For this experiment, how would you write a hypothesis? Re: Water to Fuel to Water: The Fuel Cycle of the Future Hi there, I hope you're having a great day and thanks for your question! For this project, you are investigating the efficiency of the electrochemical cell you have constructed, when using cobalt as a catalyst. Your hypothesis should simply state what you predict the results… Read more

Grow Tent Shop

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

Grow Tent Shop Grow Tent Shop Grow Tent Shop is founded by Ella J. Churchill in 2021, an expert in Grow Tents holding a master’s degree in marketing from New York University. Our only motive is to provides Top-Quality Grow Tents to people around to globe so that they would be able to grow their own crops inside conveniently. [url=https://growtent.us/]Grow Tent Shop[/url] is a Trust-Worthy platform to purchase Grow Tents without a doubt. Grow Tent Shop is a Fast, Easy, and Secure platform… Read more

Question about How Do Viruses React To Soap? activity

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

Question about How Do Viruses React To Soap? activity Question about How Do Viruses React To Soap? activity 1. In the activity, there is no scrubbing of the virus balls still the soap molecules react. I want to understand why does CDC insists on scrubbing while washing hands. If I dip my hands into a soapy water solution and just swirl the solution around (and not scrub) will the soap still take away the virus? 2. If I cover my hands with soap lather and not scrub anywhere and leave the… Read more

My Science Fair Project

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

My Science Fair Project My Science Fair Project Hello! I have a science fair project that I came up with. I need some help with growing the bacteria. So my project question is: How does light affect methanotrophic culture? Obviously, I need to grow the methanotrophs first. However, I am not sure how to do this because I need to incubate them in CH4 and isolate them. Please help!!! Re: My Science Fair Project Hi! This sounds like a really interesting project! Can you tell me a bit more… Read more

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