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ultrasonic levitation

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

Question about Build a Wind-Powered Car activity

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

Water Quality/

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

Can humans recognize AI images

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

Telescope Activity

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

Fatigue Strategy in MLB The Show 26

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

Fatigue Strategy in MLB The Show 26 Fatigue Strategy in MLB The Show 26 When you're grinding through seasons and ranked games in MLB The Show 26, managing player fatigue can be one of the most important aspects of staying competitive. It's easy to overlook, but if you don't keep an eye on how tired your players are, you'll find yourself at a serious disadvantage. So how do you make sure your team stays fresh for the long haul? In this guide, we’ll break down fatigue management strategies,… Read more

How to Buy MLB The Show 26 Stubs for Your Ranked World Series Push

Ask an Expert Topic Forum: Grades 6-8: Math and Computer Science

How to Buy MLB The Show 26 Stubs for Your Ranked World Series Push How to Buy MLB The Show 26 Stubs for Your Ranked World Series Push What Are MLB The Show 26 Stubs? In MLB The Show 26, Stubs are the in-game currency that can be used to purchase a variety of things such as player packs, equipment, and more. While you can earn Stubs by playing the game, many players choose to buy them to save time and unlock the best items more quickly. Stubs are a key part of the game’s progression system… Read more

Question on "Flippy, the Dancing Robot"

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

Question on "Flippy, the Dancing Robot" Question on "Flippy, the Dancing Robot" Hello! My 2nd grader and I have built "Flippy, the Dancing Robot" successfully! Meaning its "legs" or motorized popsicle sticks both moves. BUT, when we put the robot on a hard surface (rug, counter, floor, etc), the "legs" do not seem powerful enough to lift the robot and move around, so it stops. We used the motors from the "Bristlebot Robotics Kit," and are wondering if they are not powerful… Read more

Question about Elephant Toothpaste activity

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

Question about Elephant Toothpaste activity Question about Elephant Toothpaste activity What happens if we add more yeast than water? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/elephant-toothpaste]Elephant Toothpaste[/url] Re: Question about Elephant Toothpaste activity Hi there, If you were to add more yeast than water, the reaction would likely catalyze much faster than what… Read more

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