Ask an Expert (Page 6)

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

Diy Microbial Fuel Cell Experiment Diy Microbial Fuel Cell Experiment Good day! I am Em, a student who is currently conducting research about Comparing the Power Output of Different Soil Types Through a Microbial Fuel Cell Experiment. My research group has based on your MudWatt vessel in doing our DIY MudWatt set up using: 1. DIY Graphite Disk using mixed clay soil, crushed charcoal, and water (Graphite is not available in our country) 2. 1500ml round plastic container 3. OHM Resistors 4.… Read more

Build a clinometer

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

Build a clinometer Build a clinometer Hello Administrator, Thank you for creating such a useful article and website. It has helped me gain more understanding. I am guiding my students to build a clinometer as a project, but I do not know the mathematical basis for calculating the numbers 5 cm, 8.5 cm, 11.3 cm, 13.4 cm, 15.1 cm, 16.4 cm, 17.7 cm, 19.6 cm, 23 cm, which correspond to 5, 10, 15, 20, 25, 30, 35, 50, and 100 meters. How can these numbers be derived and proven? We are stuck on… Read more

smart braille feedback for improvment

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

smart braille feedback for improvment smart braille feedback for improvment hello I'm a Dubai electricity and water authority academy student in electrical and electronic section, earlier i was making the smart braille training project for a event that supports disabled people which will be presented on the event, i was wondering if i can make upgrades to the project by adding a sound order instead of a push button, so is there a way to make it happen? like when i say the letter it reads my… Read more

Question about Model Your Blood Flow activity

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

Question about Model Your Blood Flow activity Question about Model Your Blood Flow activity Type your question below and then press Submit! Can you create a chart for data of this functioning heart model? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/blood-flow-model]Model Your Blood Flow[/url] Re: Question about Model Your Blood Flow activity Consider what data you will be… Read more

How to Maximize Your Power Level with Aion 2's Gear

Ask an Expert Topic Forum: Grades 6-8: Math and Computer Science

How to Maximize Your Power Level with Aion 2's Gear How to Maximize Your Power Level with Aion 2's Gear What Gear Should I Focus On First? In Aion 2, gear upgrades start from the basics: armor, weapons, and accessories. But, there’s no one-size-fits-all approach. The type of gear you need will depend on your class and playstyle. For starters, focus on getting high-quality gear for your primary role. Tanks need to prioritize defense and health, while DPS (damage-dealers) need to focus on… Read more

Does the type of water effect the outcome? Make Popping Boba Balls Out of Your Drinks

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

Does the type of water effect the outcome? Make Popping Boba Balls Out of Your Drinks Does the type of water effect the outcome? Make Popping Boba Balls Out of Your Drinks Hi, on the "Make Popping Boba Balls Out of Your Drinks", one of the projects provided by Science Buddies, it is stated in the list of items to use "Cold Tap Water". In concern for consumption safety, since the boba's will be given to the elementary kids,[u] will the use of purified/distilled water affect the outcome?[/u] I… Read more

Refreshable Braille Display

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

Refreshable Braille Display Refreshable Braille Display I am writing to ask if it is possible to incorporate different language alphabets, specifically Spanish and French, into the Arduino code of the project. Additionally, I would like to know if these characters can be integrated seamlessly for use with the braille display and how to switch between the different letters using the solenoids. Moderator note: … Read more

Skin Senor Feasibility

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

Skin Senor Feasibility Skin Senor Feasibility How feasible is sodium loss estimation and tracking sweat rate from a skin sensor? My niece is working on her high school science project and she decided to focus on exercise and how much you sweat during various types of exercise modalities. (ie Yoga vs Cycling vs Zumba class etc.) She wants to figure out a way to measure someone's sweat rate, what they lose or deplete (electrolytes and minerals in the body) while exercising vs someone's… Read more

Scintillating Scents: The Science of Making Perfume

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

Scintillating Scents: The Science of Making Perfume Scintillating Scents: The Science of Making Perfume I am having problems with the Scintillating Scents: The Science of Making Perfume project. I'm trying to help a student with this for a science fair project. Our problem is that in the end we have no smell but the smell of alcohol. I'm not sure what we're doing wrong, but alcohol is the only smell. We used roses and Crisco shortening. Can anyone help with what we maybe did… Read more

"Build a Remotely Operated Vehicle (ROV) for Underwater Exploration" Modification

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

"Build a Remotely Operated Vehicle (ROV) for Underwater Exploration" Modification "Build a Remotely Operated Vehicle (ROV) for Underwater Exploration" Modification Hello, I was asking for some help on adding a modification to this pre existing kit to make the ROV be able to be able to change depth(1 motor extra) or to controll roll(2 motors extra), while still being able to use only two joysticks. What code and wiring would I need to do to be able to successfully make that… Read more

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