Ask an Expert (Page 112)

Chemistry of clean

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

Chemistry of clean Chemistry of clean Hi Science Buddies, I carried out the soap making experiment and now my problem is that I am not sure what the PURPOSE of this experiment is or how to write the HYPOTHESIS. There are a few paragraphs provided on the website about it: Abstract: "You will carry out the chemical steps needed to transform coconut oil into a usable bar of soap, and purify it with salt to measure how its pH changes with its purity." Objective: "Make your own soap by mixing… Read more

Computer Tic Tac Toe: Button Problem

Ask an Expert Topic Forum: Grades 9-12: Math and Computer Science

Computer Tic Tac Toe: Button Problem Computer Tic Tac Toe: Button Problem Hi, I am working on the Artificial Intelligence: Teaching the Computer to Play Tic-Tac-Toe project. I got to the 6th step without any problems; however, after updating the code related to starting a new game, the buttons for the regular squares are not working. I have not changed anything from the recommended code. I think the problem is in the newgame function section since the x and o buttons work fine without that… Read more

How can I measure the photosynthetic rate?

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

How can I measure the photosynthetic rate? How can I measure the photosynthetic rate? Hello. I am reaching out to you with a specific inquiry. I am planning to conduct a research project to assess the influence of dust deposition on plant leaves on the photosynthetic rate. My idea is to select random plants and manually wash the dust off some of them while leaving others unwashed. I would like to know how I can easily measure a proxy for the photosynthetic rate. I am uncertain if the method… Read more

Question about DIY Mini Drone activity

Ask an Expert Topic Forum: STEM Activities

Question about DIY Mini Drone activity Question about DIY Mini Drone activity What motor is being used for the mini drone? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/diy-mini-drones]DIY Mini Drone[/url] Re: Question about DIY Mini Drone activity Hi - it is a custom-order motor that our supplier provides for the kit. If you want to build the drone yourself from scratch then you… Read more

Question about Paper Airplanes: Why Flaps and Folds Matter activity

Ask an Expert Topic Forum: STEM Activities

Question about Paper Airplanes: Why Flaps and Folds Matter activity Question about Paper Airplanes: Why Flaps and Folds Matter activity Type your question below and then press Submit! ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/paper-airplanes-aerodynamics]Paper Airplanes: Why Flaps and Folds Matter[/url] Read more

How does caffeine affect the psychology of animals

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

How does caffeine affect the psychology of animals How does caffeine affect the psychology of animals Hello. I’m doing a science project about how caffeine affects the psychology of animals. I had a question about how i do the write up and what insects I could use. Also if i could test how nicotine affect the psychology of animals and what would i need to use for the nicotine effect. Thanks Moderator note: … Read more

Question about DIY Mini Drone activity

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

Question about DIY Mini Drone activity Question about DIY Mini Drone activity After finishing building your drone, I realized it would not fly. At least, it would try to go up, but can't. Also, I use 2 3aaa battery packs (as I have joint their wires together) to power the drone. ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/diy-mini-drones]DIY Mini Drone[/url] Re: Question about… Read more

IR LED question

Ask an Expert Topic Forum: STEM Activities

IR LED question IR LED question Hypothetically if someone placed IR LED's around let's say parts of their car, (ie. windows, license plate, company logo,etc) would the IR LED's essentially blind traffic cameras? Hypothetically of course. Re: IR LED question Hi - our forums are for K-12 students doing science projects, you will probably have better luck getting an answer to this question on another online forum. Read more

Ideas for Physics project

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

Ideas for Physics project Ideas for Physics project I am in grade 12, and this is my school assignment My topic is to make a project to study the force of attraction between a bar magnet and solenoid. Read more

Ask an Expert (top 2,000 results)

Explore Our Science Videos