Ask an Expert (Page 19)

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

Ultrasonic Levitation Not Functioning Ultrasonic Levitation Not Functioning I believe that I have completely followed the directions up to this point that regard the building of an Arduino ultrasonic levitator. The fact of the matter is that it does not work at all. What I mean by this is the ultrasonic transducers do not make any sound and have no electrical current running through them no matter what I do. I am currently using the 12 volt power supply with the h-bridge. The one thing that I… Read more

Earthworms and soil

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Earthworms and soil Earthworms and soil I’m wanting to test how/if different types of earthworms affect the soil in my yard specifically for science fair. For example, I would dig in the same area of my yard, fill 3-4 containers, add different earthworms to each container, observe which would best benefit my yard. Is this controlled enough for testing? Re: Earthworms and soil Hi! This seems like a great experiment but I would give two main suggestions. Firstly, make sure that you have a… Read more

Artificial Pancreas Water pump

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

Artificial Pancreas Water pump Artificial Pancreas Water pump I wanted to do Artificial Pancreas for my science fair. The issue is that the materials are not readily available in my country. So I’ve managed to get an alternative. For the pump, I’ve the 3V 5V Submersible water pump with a tubing. I’ll attach an image of it. I thought i can place it in the container containing tap water (insulin) and the outlet tube will pump water into the Distilled water. So since it’s quite different from… Read more

Question about DIY Mini Drone: Motion Control activity

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

Question about DIY Mini Drone: Motion Control activity Question about DIY Mini Drone: Motion Control activity Type your question below and then press Submit! See, I don't have the same accelerometer as you. I only have a Module Gyro(MPU6050). How do I connect it? :?: :!: ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/drone-motion-control]DIY Mini Drone: Motion Control[/url] Re:… Read more

Help: effects of Polyphenols on Protein Aggregation for Alzheimers

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

Help: effects of Polyphenols on Protein Aggregation for Alzheimers Help: effects of Polyphenols on Protein Aggregation for Alzheimers Hi, I am working on a project for a regional science fair. (Goal is to go to a top-level competition, such as ISEF or JSHS). My topic Investigates the effects of certain Polyphenols on Protein Aggregation (LLPS) for Alzheimers. I'm planning on using split green peas as my environment. Is this something thats doable and high-level? Read more

Question about Hydroponics Made Easy activity

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

Question about Hydroponics Made Easy activity Question about Hydroponics Made Easy activity Type your question below and then press Submit! How can I explain to students what coconut coir is and how it proves that plants can group without soil? Can I skip this part altogether? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/hydroponics-activity]Hydroponics Made Easy[/url] Re: Question… Read more

Archaeology- site resources

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Archaeology- site resources Archaeology- site resources Besides protective clothing, what do archaeologists use during field work to protect themselves and their site from the sun, rain and wind? How expensive is this equipment? How long does it last? Would an archaeologist working in the field benefit from having access to large vinyl tarps that are 10-20 mm thick, flexible, strong, UV resistant? These tarps could be used to create shade or as ground covers Read more

Question about DIY Mini Drone activity

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

Question about DIY Mini Drone activity Question about DIY Mini Drone activity The propellars are spinning and it looks like the drone wants to take off, but it doesn't. What should we adjust? Moderator note - Drone Project FAQ: https://www.sciencebuddies.org/science-fair-projects/drone-project-FAQ ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/diy-mini-drones]DIY Mini… Read more

Get water generated from air

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

Get water generated from air Get water generated from air [attachment=0]Screenshot 2025-10-12 005714.png[/attachment] Hi, Need to know if this design will be effective in getting water from air in a energy efficient manner or with very low energy input Moderator note: Similar project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/EnvEng_p034/environmental-engineering/experimenting-with-dew-traps Re: Get water generated from air Hi, This sounds like a great project! … Read more

Around the World: The Geometry of Shooting Baskets

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

Around the World: The Geometry of Shooting Baskets Around the World: The Geometry of Shooting Baskets How do you measure the angle and if I can't do that then what are my measurable results? Moderator note: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Math_p037/pure-mathematics/geometry-of-shooting-baskets Re: Around the World: The Geometry of Shooting Baskets Hello, This is a great project! There are a few ways to measure the angle depending on the focus of your… Read more

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