Ask an Expert (Page 198)

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

Educational & eco-friendly toys for boy Educational & eco-friendly toys for boy What do you think about eco-friendly toys for kids? Maybe do you create some of them on your own? May they be attractive for children in our times, when it is important to have the newest smartphone model? Do you know some educational, green and less / zero waste toys which I can buy for a 10-year old boy as a birthday present? I was thinking about some wooden train, board game or old set Lego - I heard… Read more

Human powered energy

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

Human powered energy Human powered energy For my science fair project I tried doing a project on Science Buddies called Human Powered Energy. I did everything the instructions told me to but it didn't work and my LED's weren't lighting up at all. I tried looking at their help FAQ's and tried their tips but it still wouldn't light up. Here is a link to the Science Buddies project I used:… Read more

May I please have help for my SRP?

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

May I please have help for my SRP? May I please have help for my SRP? I have a school SRP and my question is how the wavelength of light affects the growth (height) of plants. I'm using cellophane as a light filter and watercress as my plant as it will be easier for me to measure height. However, my school wants us to have both our independent and dependant variables be quantitative. However, I'm uncertain whether the wavelength would be considered quantitative as I'm only using 6… Read more

Biology Labs

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

Biology Labs Biology Labs Hi, I was wondering if someone knew why there were more catalase enzymes in potatoes than in leaves. Or simply why do potatoes have so many catalase enzymes. Thank you! Re: Biology Labs Is this question about a science project? This is a forum for help with projects, which we are happy to do if you give us more information about your idea Read more

Ozone layer depletion

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

Ozone layer depletion Ozone layer depletion hello! i'm a student of 8th grade, i've chosen Ozone Depletion effects on skin cancer as my science fair project. thing is, i would like to ask help to find information about maps, and any source of information i can carry on a comparison with. it would be much appreciated! i wish to compare skin cancer metrics by zones with Ozone depletion holes. personal info removed by moderator per Science Buddies guidelines, that all communications with… Read more

A question

Ask an Expert Topic Forum: STEM Activities

A question A question Type your question below and then press Submit! Why does carbon exist? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/make-a-fire-snake]Make a Fire Snake[/url] Re: A question Carbon is a chemical element, and it appears and is used in many, many places in our world. What specific question do you have about carbon? A bit of research about carbon might help you… Read more

Slime-like liquid identification

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

Slime-like liquid identification Slime-like liquid identification There is a 5 gallon bucket full of what is suspected to be laundry soap or possibly detergent. What tests can be done at home to identify what it is or rule out what it’s not. It’s green, smells good, makes bubbles when mixed with water and agitated vigorously, and does NOT light on fire when butane torch is lit and directed at it and 1 inch away Re: Slime-like liquid identification Hi! This is Falcon Soedarsono, and I am… Read more

Request to Interview AI researcher

Ask an Expert Topic Forum: Interview Requests

Request to Interview AI researcher Request to Interview AI researcher Hello, I have a deep interest in brain and technology , AI. I have been working on a project to read brainwaves using EEG. I would like to see if I can talk to an expert to see how I can get mentorship in these areas. I also could use guidance on improving and expanding my project to check the function of Reticular Activating System on focus related activities. Would someone be able to guide me? Thanks :) Re: Request to… Read more

is oxygen perishable?

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

is oxygen perishable? is oxygen perishable? I'm not a student, but I'm an avid trekkie with an inquisitive mind! I have exhausted all google searches and cannot find a definitive answer :( if you were to seal a room, make it airtight (but with breathable air within), and access it after a thousand years, would you still be able to breathe that air? is the compound which makes up our breathable air perishable? does it deteriorate in any way? ref: star trek tng: season 3, episode 6 Re: is… Read more

Rice husk ash-derived zeolites as a marine habitat

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

Rice husk ash-derived zeolites as a marine habitat Rice husk ash-derived zeolites as a marine habitat Hello, I am a junior interested in conducting an experiment involving the synthesis of zeolites from rice husk ash. So far my research has indicated that I need to use a hydrothermal reaction to produce these zeolites, but I do not have access to an autoclave or a controlled heat source. My goal is to create a habitat for marine life that also adsorbs nitrate from water. This will require me… Read more

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