Ask an Expert (Page 7)

Question about Build a Paper Roller Coaster activity

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

Question about Build a Paper Roller Coaster activity Question about Build a Paper Roller Coaster activity [list=][/list]Type your question below and then press Submit! How can I add a hill to the rollercoaster ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/paper-roller-coaster]Build a Paper Roller Coaster[/url] Re: Question about Build a Paper Roller Coaster activity Hello, This… 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 Type your question below and then press Submit! Cual seria la formula quimica /ecuación quimica, de esto? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/milk-into-plastic]Turn Milk into Plastic[/url] Read more

C-14 carbon dating

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

C-14 carbon dating C-14 carbon dating Hi, I'd like to know if C-14 radiocarbon dating studies are at all conclusive. Pre-test cleaning methods never remove 100% of contaminants, usually around 90-99%. Therefore, can these contaminants invalidate the test results? For example, if we have a linen cloth that we clean and traces of younger contaminants, such as oil, remain, will the test results indicate this younger layer of contaminants and not the underlying layer of the cloth? Re: C-14… Read more

The Effect of Ethanol Concentration on the Membrane Permeability of Potato Tissue

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

The Effect of Ethanol Concentration on the Membrane Permeability of Potato Tissue The Effect of Ethanol Concentration on the Membrane Permeability of Potato Tissue Hi, I am planning to conduct an experiment to investigate how different ethanol concentrations affect the cell membrane permeability of potato tissue. My method would involve placing equal-sized potato pieces into various ethanol concentrations for a controlled amount of time. After removing the potato pieces, I plan to measure… Read more

Is the Gold in My Jewelry Real?

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

Is the Gold in My Jewelry Real? Is the Gold in My Jewelry Real? I have a student doing this science fair project and we're having difficulties gathering any results. We've tried different agar mediums and different ways of putting down the jewelry. We're not sure what we could be doing wrong. Any suggestions? https://www.sciencebuddies.org/science-fair-projects/project-ideas/MicroBio_p026/microbiology/is-the-gold-in-my-jewelry-real Re: Is the Gold in My Jewelry Real? Hello, This is a… Read more

Diy Microbial Fuel Cell Experiment

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

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