Ask an Expert (Page 13)

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

Help with beeper on walking stick Help with beeper on walking stick Hello. I am using your walking stick for a science project. We got it to work, and use it sometimes with a beeper and sometimes with a vibrating motor. The beeper or motor does always just beep a little every second until the sensor is close to something. Did we do something wrong or is there a way to turn that off until we are close to an object? We are using your code. Thanks. Alec and Dad Moderator note: … Read more

Where to get animal blood for science project at a reasonable price

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

Where to get animal blood for science project at a reasonable price Where to get animal blood for science project at a reasonable price Hello I am in the middle of science fair and have run into a few problems. Firstly, my project is studying how iron levels can influence the bioimaging expression since there wasn’t a clear awnser in articles I saw. However, in order for this to work I would need blood, and all the pigs and sheep’s blood viles are super expensive and no farmers markets have… Read more

blackholes and singularity

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

blackholes and singularity blackholes and singularity so as you know falling in a black hole theoretically is a fall towards your future so if we send a camera with solar panel in it as the black hole emits light too then can we see the singularity as it happens to camera? and can the camera even survive? please tell me if I'm just not consuming a force or something that I should and by the way I'm not sure if I have written this in a right section or not please tell me if I am and where that… Read more

Behavioural Science and Consumer Psychology

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

Behavioural Science and Consumer Psychology Behavioural Science and Consumer Psychology I need a catchy name for my Science Fair project on Risk and Reward Psychology and Advertising/Peer Pressure Psychology. Re: Behavioural Science and Consumer Psychology What about "worth the risk?" or "risk it or resist it" Re: Behavioural Science and Consumer Psychology As a judge, I like to see titles that include two parts: The first part is something creative or catchy as suggested by in the… Read more

Problem with Ultrasonic Levitator

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

Problem with Ultrasonic Levitator Problem with Ultrasonic Levitator Hi Science Buddies! I'm doing the ultrasonic levitator project. I've done the circuits and wires and everything but when I upload the code, I can't hold any foam pieces in it. It seems to not have started at all, so I think the problem may the voltage. I'm not sure though, so could you please help me find the problem and solve it? Thanks! Moderator note: … Read more

Football Bros: a friendly compass for enjoying a quirky, accessible game

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

Football Bros: a friendly compass for enjoying a quirky, accessible game Football Bros: a friendly compass for enjoying a quirky, accessible game [b]Introduction[/b] If you’re hunting for a game that blends quick reflexes with cheeky humor and a dash of arcade chaos, you might want to check out [url=https://footballbrosfree.com]Football Bros[/url]. The premise is simple enough to pick up in a few minutes, but the moments that stick tend to come from clever little twists and the way a tiny… Read more

testing vitamin c changes at different stages of ripeness for bell peppers.

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

testing vitamin c changes at different stages of ripeness for bell peppers. testing vitamin c changes at different stages of ripeness for bell peppers. Hello. I was researching the titration method of testing vitamin c changes at different stages of ripeness for bell peppers. I think the iodine titration method is great and was wondering how I could create my own experiment for a science fair project. Where I'm getting at is, maybe I need to use different methods, materials, and measuring… Read more

Heat lamp

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

Heat lamp Heat lamp My project is: how does color affect heating by absorption of light? I was looking for a heat lamp bulb, and the project requires a 250 plus watts light bulb, but the only ones i can find are infrared light. Is that ok or does it need to be white light? Moderator note: Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Phys_p030/physics/how-does-color-affect-heating-by-absorption-of-light Related:… Read more

Question about Build a Paper Roller Coaster activity

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

Question about Build a Paper Roller Coaster activity Question about Build a Paper Roller Coaster activity Type your question below and then press Submit! Hello, I see your template and I also purchased the Andrew Gatt template. Which template is correct because I am all confused ------------------------------------- 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… Read more

Fish?

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

Fish? Fish? Okay so, how come we humans can’t breathe water if we evolved from fish? Re: Fish? Hello AT science buddies we are unable to give answer to homework or schoolwork. Is this a homework question or out of curiosity? Read more

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