Ask an Expert (Page 25)

Question about Make String from Algae activity

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

Question about Make String from Algae activity Question about Make String from Algae activity I made 4 batches - one with no texture add-in, one with aloe, one with honey, one with syrup. When dry, they all became brittle and broke. My ratio was 1Tbsp to 1/2 tsp Alginate Do I need to increase the amount of texture ingredient? ------------------------------------- Leave this to help the Experts: The activity can be viewed at:… Read more

Where to Buy Polar Cooling Portable AC in 2025 – Complete Guide

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

Where to Buy Polar Cooling Portable AC in 2025 – Complete Guide Where to Buy Polar Cooling Portable AC in 2025 – Complete Guide Polar Cooling Polar Cooling Reviews Polar Cooling Portable AC buypolarcoolingac polar heating and cooling polar cooler polar cooling ac Polar Cooling portable air conditioner Official Website https://www.onehealthgiant.com/polar-cooling-reviews/ Facebook https://www.facebook.com/people/Polar-Cooling/61576620732035/… Read more

Is color 2d?

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

Is color 2d? Is color 2d? So, I ask a question to my friends all the time and I was wondering if my answer to my own question works. My question is: "What is your favorite undiscovered color?" Now, when I make silly questions like that I always make sure that I have an answer so, I made up a color, Magurmple. So, the way I explain this color is to imagine all the colors on a piece of paper, Magurmple is ABOVE yellow. Like, above the paper. Does that make sense? Am I at least a little right in… Read more

Exploring the Impact of Music on Plant Growth for a Middle School Science Fair Project

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

Exploring the Impact of Music on Plant Growth for a Middle School Science Fair Project Exploring the Impact of Music on Plant Growth for a Middle School Science Fair Project Hello Science Buddies community, I'm a middle school student planning my science fair project, and I'm fascinated by the idea that music might influence plant growth. I aim to design an experiment to investigate how different genres of music impact the growth rate of plants. Specifically, I aim to determine which types of… Read more

Question about Build a Solar Updraft Tower activity

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

Question about Build a Solar Updraft Tower activity Question about Build a Solar Updraft Tower activity Type your question below and then press Submit! If we do this as a project work what will be the observation about this project . ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/solar-updraft-tower]Build a Solar Updraft Tower[/url] Re: Question about Build a Solar Updraft Tower… Read more

Parasite Cleanse Tincture: Benefits and How It Works

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

Parasite Cleanse Tincture: Benefits and How It Works Parasite Cleanse Tincture: Benefits and How It Works Hi, A parasite cleanse is known to get rid of organisms that live and feed off the body, such as pinworms. Generally, this approach relies on herbal supplements, diet changes, and parasite cleanse supplements. It is what professionals usually don't recommend. However, there is not much research on it to support the effectiveness of parasite cleanse products as a good treatment method.… Read more

Artificial Pancreas Model issue

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

Artificial Pancreas Model issue Artificial Pancreas Model issue Hi, I built the project for a school science fair. It turns on and off properly. However, I am having two issues with the project. 1. The serial monitor tool shows a different value than the multimeter when the sensors are connected. It generally has a higher value. 2. The voltage on the multimeter drops the instant the pump is disconnected. For example, it will read 1.15 volts while connected and running, and will drop… Read more

Robotic Arm

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

Robotic Arm Robotic Arm (Posted on behalf of parent/students - Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Robotics_p050/robotics/arduino-robotic-arm) ------------------------------------------------ Popsicle Stick Robotic Arm Trying this little project with my girls for Easter break. However, we are getting twitching/ fluttering from the servo motors. What could cause that? Also, when we use your 9v battery with the kit- it provides no power. I’m having to… Read more

Plant Battery Project

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

Plant Battery Project Plant Battery Project Good afternoon - my green team is working on creating a plant battery. We had set up a potted plant with potting soil and compost from our worm bin and connected copper tubing on one end and a magnesium rod on the other side. When we connected a Vpro850L multimeter we got a reading of .86 volts. We are trying to light a standard electric circuit kit bulb in a holder. The bulb lights with a 1.5 volt battery which we also tested with the multimeter… Read more

Build a Sound-Tracking Search and Rescue Robot About

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

Build a Sound-Tracking Search and Rescue Robot About Build a Sound-Tracking Search and Rescue Robot About [Admin note - project is here: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Robotics_p048/robotics/sound-tracking-robot ] We created the "Build a Sound-Tracking Search and Rescue Robot" project on the website, but it does not respond to sounds. Is there a mistake in the code system or the circuit? Can you help? The code is like this: /* * Starter code for making… Read more

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