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How Group Size Influences Where Students Choose to Sit

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

How Group Size Influences Where Students Choose to Sit How Group Size Influences Where Students Choose to Sit Hi, I’m Dakota, an 11th grade student, and I’m working on a Social Sciences project that came from something I noticed at my school. Last month, I was sitting in the school library waiting for my next class when I noticed something strange about the study tables. When one student was already sitting at a large table, other students often walked past it and chose another table, even… Read more

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 How big is the cardboard that the coaster is built on? 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 Hi Lisa, a standard piece of corrugated cardboard around 12x12 inches or 16x20 inches works great for a… Read more

Questions about making a compost bin for a project

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

Questions about making a compost bin for a project Questions about making a compost bin for a project I’m working on a science project where I have to create a compost bin to test the decomposition rate of biodegradable materials. I was wondering if I could add the compost materials (as in the green and brown materials) at different times. Or if I have to collect all of them and then add them altogether. For reference I have to fill up a ten gallon bin. If needed I can provide the name of the… Read more

Football Field: Going the Distance

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

Football Field: Going the Distance Football Field: Going the Distance What is this experiment is like and do you need a field Goal post? Moderator note: Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Sports_p026/sports-science/football-field-goals Re: Football Field: Going the Distance This project does involve actually kicking a football. In the materials list, you will see: "A football field with goalposts and lines marked on the field at least every 10… Read more

Question about electrolyte activity

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

Question about electrolyte activity Question about electrolyte activity I want to test the effect temperature has on electrical conductivity in liquids. The directions for the electrolyte activity say to measure amps and use the equation they give to convert to Siemens. But can I also measure resistance on the multimeter? Is there a certain setting like the 200 milli/micro amps the directions give for current? [Administrator note: Electrolyte challenge project:… Read more

اقتراح لفكرة بحث علمي للمرحله الثانويه تشارك بعا طالبه في الصف الحادي عشر و تستحق الفوز

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

اقتراح لفكرة بحث علمي للمرحله الثانويه تشارك بعا طالبه في الصف الحادي عشر و تستحق الفوز اقتراح لفكرة بحث علمي للمرحله الثانويه تشارك بعا طالبه في الصف الحادي عشر و تستحق الفوز انا طالبه الصف الحادي عشر و مشاركه في البحث العلمي احتاج فكره او مشكله اعمل فيها بحث علمي و افوز Re: اقتراح لفكرة بحث علمي للمرحله الثانويه تشارك بعا طالبه في الصف الحادي عشر و تستحق الفوز Hi. We can't guarantee a project will "win" in any science fair or STEM event. We recommend choosing a project that aligns with… Read more

Question about Generate Electricity with a Lemon Battery activity

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

Question about Generate Electricity with a Lemon Battery activity Question about Generate Electricity with a Lemon Battery activity Type your question below and then press Submit! how does a lemon have electricity ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/lemon-battery]Generate Electricity with a Lemon Battery[/url] Re: Question about Generate Electricity with a Lemon Battery… Read more

biodegradable hydrogel soil

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

biodegradable hydrogel soil biodegradable hydrogel soil how do you measure the amount of water in soil? Moderator note: SB project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/AgTech_p013/agricultural-technology/water-conservation-hydrogels Re: biodegradable hydrogel soil Hi, A good way to measure the amount of water is to weigh the pot after adding the soil, hydrogel, and water (initial weight). Then, you could weigh the pot daily as the soil dries out. To… Read more

optimal conditions for silicon oxidation

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

optimal conditions for silicon oxidation optimal conditions for silicon oxidation In the past, I investigated the optimal conditions for silicon oxidation and thought about how these conditions could affect semiconductor manufacturing. While doing this research, I became curious about how semiconductor companies in other countries deal with similar problems, and have you ever had a similar question? I found an interesting example in IBM's research on strained germanium. IBM developed a new… Read more

Need help coding with Python (edited)

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

Need help coding with Python (edited) Need help coding with Python (edited) Hello, I am working on a science fair project on how long it takes for a computer program/code to decipher a password from one of the project ideas here. The first step is to download Python, however, when I do that, I can see the file, but not the other file to where I can actually build my code. How can I do this? -Emery (Edit: Turns out I cannot run Python on my school computer, so I am using W3Schools instead...… Read more

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