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Yeast metabolism with and without aeration

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

Yeast metabolism with and without aeration Yeast metabolism with and without aeration Yeast metabolism with and without aeration. Hi everyone, so i am doing the science buddies project and have a few questions... https://www.sciencebuddies.org/science-fair-projects/project-ideas/MicroBio_p009/microbiology/yeast-metabolism-aerobic-anaerobic 1) What would be some other variations or things to add to my project which could make it more rigorous, other than the ones found on the "variations… Read more

Variable classifications for: How Do Cats Respond to Bird Sound Recordings?

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

Variable classifications for: How Do Cats Respond to Bird Sound Recordings? Variable classifications for: How Do Cats Respond to Bird Sound Recordings? My daughter is considering the referenced science fair project idea, Predators and Prey: How Do Cats Respond to Bird Sound Recordings? Can you help us in identifying the variables? Do you agree with what we have noted below: Controlled Variables (What I keep the same) - although she would study at least 20 different cats, thinking the… Read more

Password Security: How Easily Can Your Password Be Hacked?

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

Password Security: How Easily Can Your Password Be Hacked? Password Security: How Easily Can Your Password Be Hacked? Hello, I am doing this project for the science fair. I have a question regarding the passwords.txt file. Am I able to add passwords to the file and import into the code? If so, how can I do that? Re: Password Security: How Easily Can Your Password Be Hacked? You could change the content of the file or add to it.... and you would access the text file in exactly the same way… Read more

Question about Make Magnetic Slime activity

Ask an Expert Topic Forum: STEM Activities

Question about Make Magnetic Slime activity Question about Make Magnetic Slime activity Type your question below and then press Submit! What is the observation in this? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/magnetic-slime-recipe]Make Magnetic Slime[/url] Re: Question about Make Magnetic Slime activity Do you have specific questions about this activity? The "What Happened"… Read more

****. Hello - PLEASE HELP.

Ask an Expert Topic Forum: STEM Activities

****. Hello - PLEASE HELP. ****. Hello - PLEASE HELP. Hello All - Hi guys, thank you for letting me join your group. I had a physics and optics question, I was out on the West Coast of Florida this summer for vacation and we went to the beach . It was a family group of about 10 of us. Keep in mind it was mid summer - super hot and sunny. The water was flat, calm, and very warm. I rented a 2 person kayak, and went out on the water with my son who is 7 years old. We went out on… Read more

Science fair Ideas

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

Science fair Ideas Science fair Ideas Hi, For this years science fair, I have a lot of determination to get in to my regional science fair. Last year I did attend, but however did not win any awards since my experiment idea was not very creative as others. This year I was thinking of doing an experiment about the eye and its vision or even anything environmental. I want to create this vision simulation, which others have done in the past, but want to create and maybe discover something… Read more

BPA Calibration Curve

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

BPA Calibration Curve BPA Calibration Curve Hello, For my science project I am trying to find how the concentration of BPA in water is affected by the amount of time it spends inside of a plastic water bottle. I am aware that to do this I would have to create a calibration curve using different concentrations of BPA, but I do not know where I would buy it and how I would dilute it. Could you provide a few links to reputable sites where I could buy it for this project, and explain how I would… Read more

Arduino question for artficial pancreas diabetes project

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

Arduino question for artficial pancreas diabetes project Arduino question for artficial pancreas diabetes project Hi! We are 2 students in garde 10 looking for help for our "Dealing with Diabetes: The Road to Developing an Artificial Pancreas" project. We are having trouble coding with our arduino, more specifically how to get numbers on the pump calibration. We've set everything up including putting on pancreas model in the water and we are getting signals from the arduino however we are… Read more

Question about Build a Paper Airplane Launcher activity

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

Question about Build a Paper Airplane Launcher activity Question about Build a Paper Airplane Launcher activity Hi, I'm wanting to introduce the Paper Airplane Launcher activity but not sure what kind of paper we use. Do we use cardstock, construction, or regular printer paper for this activity? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/paper-airplane-launcher]Build a Paper… Read more

Iodine to Iodide

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

Iodine to Iodide Iodine to Iodide Hi! I am doing the Presto! From Black to Clear with the Magic of Photochemistry, and am wondering in this experiment how the iodine turns to iodide! HI, I am doing the black to clear with photochemistry project, and the solution is not changing color under the light and I am looking for possible answers. I am using tap water instead of distilled water. I am trying to get the solution to change from the iodine color to clear under light and depending on the… Read more

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