Ask an Expert (Page 41)

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

Kastle-Meyer Crime Scene Project Kastle-Meyer Crime Scene Project Posted on behalf of student ---------------------------------------------- Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/BioChem_p037/medical-biotechnology/crime-scene-chemistry-kastle-meyer-test-for-blood Hi! I used your website to create my science fair project, "Crime Scene Chemistry: The Kastle-Meyer Test for Blood." I noticed that there was a chart in there to predict, explain, lab review,… Read more

Artifical Pancreas

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

Artifical Pancreas Artifical Pancreas Posted on behalf of student/family -------------------- Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/HumBio_p040/human-biology-health/developing-an-artificial-pancreas Hello, My daughter saw a YouTube on MAPSP and wanted to do a same project for her school and she’s in 5th grade. My wife bought all of the necessary parts and I’m having trouble helping my daughter set it up to work. I saw a pdf file for pump but in the same… Read more

Soil Sensor Project + Multimeter

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

Soil Sensor Project + Multimeter Soil Sensor Project + Multimeter Posted on behalf of student --------------------------------- https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p066/electricity-electronics/build-an-electronic-soil-moisture-sensor-to-conserve-water I am currently building this circuit, and want to try to get a measurable number from the amount of water in the soil. Could I attach a multimeter in order to get a measurable number? How would I attach it… Read more

Should my data look like this?

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

Should my data look like this? Should my data look like this? THI IS URGENT! I'm doing a stem fair project based on the link here: [url]https://www.sciencebuddies.org/science-fair-projects/project-ideas/SpaceEx_p043/space-exploration/parachute-terminal-velocity#procedure[/url] my data shows that reducing the number of parachutes decreases terminal velocity. Is this how it should be?? Re: Should my data look like this? Hi! In theory, your terminal velocity should increase only when you use… Read more

predicting future water quality with machine learning

Ask an Expert Topic Forum: Grades 9-12: Math and Computer Science

predicting future water quality with machine learning predicting future water quality with machine learning I've been attempting to do this project and have completed the entire first part, and I believe I've been successfully following everything but when it starts telling me to run code blocks that will alter the sheet nothing happens. I've made sure everything is named correctly and the code and sheet are in the same google drive folder, but when I run code blocks in google Collab nothing… Read more

Measuring glucose in food and drinks

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

Measuring glucose in food and drinks Measuring glucose in food and drinks I was wondering what the independent, dependent, and control is for my project. Moderator (project url?): https://www.sciencebuddies.org/science-fair-projects/project-ideas/FoodSci_p049/cooking-food-science/measuring-glucose-in-food Re: Measuring glucose in food and drinks Hi! It seems like your project is about measuring the amount of glucose in different fruits/juices. Your independent variable is always the thing… Read more

project design help

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

project design help project design help What should I include in my introduction for my science project? Also, my product does not really discover anything new so how should I explain that. Re: project design help Hello, Can you tell us a bit more about your project and hypothesis? Has your teacher provided any instructions for what to include in your project presentation? Not all science experiments need to discover something new! Lots of science is done by scientists to confirm what we… Read more

Suggestions for experimental procedure: Physics

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

Suggestions for experimental procedure: Physics Suggestions for experimental procedure: Physics My son would like to do his science project related to Football Punting: Distance vs. Hang time. What would be the best way to go about this and suggestions on how to track the kicks. Distance is obvious. Would we need to time them and combine the hangtime and distance to come up with some sort of analysis? Just looking for some direction. Re: Suggestions for experimental procedure: … Read more

Question about How Big Are the Planets in Our Solar System? activity

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

Question about How Big Are the Planets in Our Solar System? activity Question about How Big Are the Planets in Our Solar System? activity How will we really know how far each planet is by meters milimeters or kilo ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/planet-size]How Big Are the Planets in Our Solar System?[/url] Re: Question about How Big Are the Planets in Our Solar… Read more

What methods can we use to produce meat sustainably?

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

What methods can we use to produce meat sustainably? What methods can we use to produce meat sustainably? What methods can we use to produce meat sustainably? What food production methods can we use that are sustainable? (general question) Re: What methods can we use to produce meat sustainably? Sustainable food production methods include farming that protects the environment, like regenerative agriculture and agroecology. Urban and vertical farming save space and reduce transportation… Read more

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