Jump to main content

Ask an Expert (top 2,000 results)

Ask an Expert Topic Forum: Grades 9-12: Physical Science
Electronics for a Bluetooth Speaker Sculpture Electronics for a Bluetooth Speaker Sculpture Hello all. I am working on a Bluetooth Speaker Sculpture. I can use some help configuring out how to wire the electronic components (motors, LEDs, and receiver/controller). The bluetooth speaker is already configured. I attached a picture to give a visual of the project.. Please excuse the typos. I've watched multiple videos and got a general idea. However, none of the videos have how to connect… Read more
KNN cancer diagnosis Adaptation (Breast Cancer / AI KNN) KNN cancer diagnosis Adaptation (Breast Cancer / AI KNN) I have already completed my first project on KNN and its application revolving Classifying cancer cells. However, this year I want to take it to the next level. To do this I want to not just classify the cancer cells as benign or malignant but instead classify them and cancerous or not. I have tried to accomplish this but in my research I have hit a dead end. So, I need a data set… Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
"Does the Company Size Affect the Length it Takes to Backtrack to the Place of Defeat?" "Does the Company Size Affect the Length it Takes to Backtrack to the Place of Defeat?" I have a science fair in June and came up with this idea for a project. Earlier I had an idea about music but that one seemed uninteresting and so I came up with this idea. The if then statement would be "If on average, games produced by large scale (AAA) companies took less time for the player to… Read more
Ask an Expert Topic Forum: STEM Activities
Question about Making Homemade Bath Bombs activity Question about Making Homemade Bath Bombs activity Type your question below and then press Submit! do bath bombs affect monkeys? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/make-bath-bombs]Making Homemade Bath Bombs[/url] Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
oil spot (Bunsen) photometer oil spot (Bunsen) photometer I don't understand why are the intensities of the two lights become the same when the spot disappears. I know that is probably dump but I can't find an answer for days and it is very urgent to know why so please help. Also somone told me that it is because the light (radiation) pressure from both the lamps is the same when the spot disappears but I can't find anything related between the two things and I am not sure if it is true. Re:… Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
Variables Variables Hi, For my science project, I am testing the melting times of different types of chocolate. I put them in the shade and then in the sun. I know the types of chocolate are an independent variable. But, are the sun and shade also independent variables? Or are they controlled because they are the same for all the chocolates at the same time? Thanks for your help! Re: Variables Hello, Great experiment! You're correct; the different chocolate types are independent… Read more
10 Fascinating Science Experiments for Kids in Class 8 10 Fascinating Science Experiments for Kids in Class 8 Today I read this article about 10 science experiments that you can easily perform. Thought of sharing it. [url]https://decodingbiosphere.com/kids-corner/science-experiments-kids-class-8/ [/url] Read more
Microbial Fuel Cell Project Microbial Fuel Cell Project Hey, I am planning on making a microbial fuel cell to generate some electricity. Is it possible that I can charge something small maybe a battery using the fuel cells if I connect more than one together? I really want to be able to use the electricity generated to power something. Any help? Thanks for your help!!! Re: Microbial Fuel Cell Project Hello! Thank you for your question! A great resource I’d recommend following is the… Read more
< 1 ... 70 71 72 73 74 ... 200 >
Top
Free science fair projects.