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Ask an Expert Topic Forum: Grades K-5: Physical Science
Buy weed snow in warsaw telegram(@jamieplug4) Buy weed snow in warsaw telegram(@jamieplug4) Buy weed snow in warsaw telegram(@jamieplug4) Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about How do Self-Driving Cars Know What to Do? activity Question about How do Self-Driving Cars Know What to Do? activity Type your question below and then press Submit! name 5 self-driving car techologies and describe its features :? :shock: ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/self-driving-car-algorithm]How do Self-Driving Cars Know What to Do?[/url] Re:… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about Make String from Algae activity Question about Make String from Algae activity Type your question below and then press Submit! The batch of Calcium Chloride water, can you only use that for one set of string? If I have 18 students doing this project how many water batches would I need? Would each child need their own water batch? Just trying to figure out how much Calcium Chloride to buy. Thank you. ------------------------------------- Leave this to help the Experts: The… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about Build a Pizza Box Solar Oven activity Question about Build a Pizza Box Solar Oven activity : Type your question below and then press Submit! What is the background/research about this project? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/solar-oven]Build a Pizza Box Solar Oven[/url] Re: Question about Build a Pizza Box Solar Oven activity Hello, This looks like a… Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
Question about Make String from Algae activity Question about Make String from Algae activity Type your question below and then press Submit! Is there a good way to keep the algae gel from breaking when piping it out of the bag (like icing)? We want to make long strings. ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/algae-string]Make String from Algae[/url] Re: Question about Make… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
ultrasonic levitation ultrasonic levitation I want a code for this project. And tell me how many power supplies needed for this Can you check the connections in the attached photo Moderator note: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p121/electricity-electronics/ultrasonic-levitator -- [i]The starting code is provided in step 2 of the project[/i] Re: ultrasonic levitation Hello! For your ultrasonic levitator, you need two power supplies: one 5V… Read more
Ask an Expert Topic Forum: STEM Activities
Question about Build a Wind-Powered Car activity Question about Build a Wind-Powered Car activity Type your question below and then press Submit! Can I substitute marshmallows for plastic caps for wheels? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/wind-powered-car]Build a Wind-Powered Car[/url] Re: Question about Build a Wind-Powered Car activity Hello, This is a great project!… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Water Quality/ Water Quality/ Is it normal to have your MAPE(Mean absolute percentage error) and MAE(Mean Absolute Error) be lesser for one month. I took a data set where my one day prediction was accurate. In another set, my one month was more accurate. What is a conclusion I can make. This is from Predict Water Quality with Random Forests Moderator Note: … Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Can humans recognize AI images Can humans recognize AI images My 7th grader wants to do this for his school science fair. He wants to do an adult vs student comparision as well. should he tabulate his results for each image ( as shown in your procedure, e.g. image #1: 50% volunteers recognized it correctly), or should he do it for each participant (e.g. participant 1 recognized 11/20 images, participant 2 recognized 12/20 correctly and so on). Moderator note: … Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
Telescope Activity Telescope Activity Posted on behalf of teacher https://www.sciencebuddies.org/stem-activities/build-a-telescope ------------------------------------- Dear Science Buddies, I recently watched your YouTube video on how to make a refracting telescope and decided to try the project with my 3rd grade class. We first purchased the lenses you suggested, and they all appeared to be convex lenses. When we assembled the telescope, we were able to see an image, but it was upside… Read more
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