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Help! Science Fair Project failed ... twice

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

Help! Science Fair Project failed ... twice Help! Science Fair Project failed ... twice I’m trying to help my daughter analyze her project results & determine possibilities as to why her Science Fair Project failed. She chose to do the Something’s Fishy About That Fertilizer project from the Science Buddies website but it failed. The daphnia died almost immediately and the duckweed didn’t grow or multiply at all and in fact slowly died as well. She did the experiment twice & followed… Read more

Help! No smells in Scintillating Scents: The Science of Making Perfume Question

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

Help! No smells in Scintillating Scents: The Science of Making Perfume Question Help! No smells in Scintillating Scents: The Science of Making Perfume Question 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… Read more

Question about Make a Rubber Band Guitar activity

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

Question about Make a Rubber Band Guitar activity Question about Make a Rubber Band Guitar activity Why add the pencils in the rubber band guitar? Why no slits cut for rubber band to be fitted ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/rubber-band-guitar]Make a Rubber Band Guitar[/url] Re: Question about Make a Rubber Band Guitar activity Hello, This is a fun activity! I think… Read more

Physics -- PSI and Basketball Bounce Height

Ask an Expert Topic Forum: Interview Requests

Physics -- PSI and Basketball Bounce Height Physics -- PSI and Basketball Bounce Height My project is about how the PSI in a basketball affects the bounce. What is PSI? What is the recommended PSI for a basketball? What happens if a basketball does not have enough air? What happens if a basketball has too much air? Why is it important to keep PSI in the recommended range? How could you test how PSI affects bounce height? What variables should stay the same during the experiment? Why… Read more

Questions regarding the Maglev Train project.

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

Questions regarding the Maglev Train project. Questions regarding the Maglev Train project. I have some questions about this project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Phys_p093/physics/maglev-train-weight?ytid=KQH2UhHss6c&ytsrc=description Will the magnetic tape be strong enough to hold the train's weight? Can I replace the magnetic tape with neodymium magnets? Can the train work if neodymium magnet is 10mm wide? Thank you for your time. Re:… Read more

Does Gender affect color preference

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

Does Gender affect color preference Does Gender affect color preference Do I have to use the colors of pink and blue? Or can I choose other colors? I feel like pink and blue are already stamped in people's minds! [Administrator note: Project url: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Soc_p022/sociology/does-gender-affect-color-preference ] Re: Does Gender affect color preference Hello, This is a great experiment! While you can choose other colors, the main… Read more

Acne / zap that zit

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

Acne / zap that zit Acne / zap that zit Hi, I tried the zap that zit experiment with E. Coli and salicylic acid, benzoyl peroxide and sulphuric but it didn’t work ? Should I use a different bacteria or different medications ? Thank you for your help! Daniyal Moderator Note: https://www.sciencebuddies.org/science-fair-projects/project-ideas/MicroBio_p019/microbiology/acne-zits-medication Re: Acne / zap that zit Hello Daniyal, To help guide you better, could you provide a little more… Read more

Veld fires

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

Veld fires Veld fires I live in the Western Cape and since December we’ve had an excessive amount of fires starting in and around the Western Cape. They start in the mountains, near wine farms or other grassy areas. They have been so excessive that people think they are started deliberately. Other blame invasive grass species as the culprits and farmers not doing enough to clear their lands. Since this is pressing issue, will it be a good idea to do my science fair project on this? i… Read more

Ultrasonic Levitator not working

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

Ultrasonic Levitator not working Ultrasonic Levitator not working Help! I’ve tried and tried and can’t get it to work. What’s wrong? Moderator note: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p121/electricity-electronics/ultrasonic-levitator Re: Ultrasonic Levitator not working Hi - can you give more detail than "it's not working"? Are you having trouble getting a small piece of foam to levitate perfectly? Or as far as you can tell, are the ultrasonic… Read more

Refreshable Braille display

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

Refreshable Braille display Refreshable Braille display Hi, I’m have difficulties with my project. My project from your website is the refreshable braille display. I think that the problem is how I placed the jumper cables and other stuff on the breadboard. I did try following the picture exactly on the site. My project is due almost next week. Please reply as soon as you can and I’ll try to send a picture of the breadboard. Moderator note: … Read more

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