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My hovercraft isn't hovering!

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

My hovercraft isn't hovering! My hovercraft isn't hovering! Hi, I am doing a balloon hovercraft experiment for school. I used the materials listed: DVD, plastic friendly glue, a pop-top lid, and a balloon. I failed multiple times. I even tried different pop-top lids. Someone please help! Read more

How Far Will It Fly?

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

How Far Will It Fly? How Far Will It Fly? What is the design difference between the three paper planes. Each plane with added drag part is clear but is there a difference between Plane 1/2/3? If they are the same, what is the purpose. https://www.sciencebuddies.org/science-fair-projects/project-ideas/Aero_p046/aerodynamics-hydrodynamics/how-far-will-paper-planes-fly Paper Plane Flight 1 Flight 2 Flight 3 Flight 4 Flight 5 Average Plane 1 Plane 1 with Added Drag Plane… Read more

Question about: Riding on Air-Building a Real Hovercraft

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

Question about: Riding on Air-Building a Real Hovercraft Question about: Riding on Air-Building a Real Hovercraft Hello! Would this project still work on a 2ft diameter wood circle? My leaf blower is about 400 cfm. Thank you! Re: Question about: Riding on Air-Building a Real Hovercraft Hello, Yes, using a 2ft diameter wood circle should still work for this project because it is large enough to accommodate all of the necessary components and support the rider's weight. I hope this helps! Read more

Question about Build a Balloon Car activity

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

Question about Build a Balloon Car activity Question about Build a Balloon Car activity does it matter what type of bottle and caps? :mrgreen: :D ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/balloon-car]Build a Balloon Car[/url] Re: Question about Build a Balloon Car activity You can see samples of what was used in the video and the photos. It won't matter precisely what you… Read more

Raspberry Pi kit - Emmanuel Katto

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

Raspberry Pi kit - Emmanuel Katto Raspberry Pi kit - Emmanuel Katto Hi All, I am Emmanuel Katto from Uganda. Can anyone suggest a good pi kit starter kit for programming? Please revert. Thanks! Emmanuel katto Re: Raspberry Pi kit - Emmanuel Katto Hello! Here is a list of popular Pi starter kits for programming: - CanaKit Raspberry Pi 4 Starter Kit - Vilros Raspberry Pi 4 Complete Starter Kit - LABISTS Raspberry Pi 4 Complete Starter Kit - ELEGOO UNO R3 Project Most Complete Starter… Read more

Anyone help me with this exercise?

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

Anyone help me with this exercise? Anyone help me with this exercise? A long, straight wire carries a current of 10 A. A point P is located 5 cm away from the wire. a) Calculate the magnetic field strength at point P due to the current in the wire. b) If another wire carrying a current of 15 A is placed parallel to the first wire at a distance of 10 cm, determine the direction and magnitude of the net magnetic field at point P. [url=https://fnfgo.org][color=#FFFFFF][size=1]fnf… Read more

Vegan Petri Dish

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

Vegan Petri Dish Vegan Petri Dish Hello! My daughter would like to do a science fair project on the 5 second rule and I am struggling to find petri dishes without Nutrient Agar, all of which seem to contain beef. We are vegan and would like to find or make an alternative without animal products. Can you please help? I came across malt extract and potato dextrose, but those seem to inhibit bacteria and promote fungi growth. Any tips or advice is much appreciated! Re: Vegan Petri… Read more

Electronics for a Bluetooth Speaker Sculpture

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)

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

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

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