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Five second Rule problems. Five second Rule problems. I am doing an experiment to see if the 5 sec rule is true. I am having trouble with my control though. I am swabbing my food before I drop it on the floor as my control. I actually grow more bacteria on my control than on the food that is dropped on the floor. What am I doing wrong? Re: Five second Rule problems. Hi Stacey, I think you need to change the way you do the control. The independent variable is dropping the food on the floor… Read more
Question about viruses? Question about viruses? I was wondering if anyone could explain to me what happens when a virus (not HIV or other usual bloodborne viruses, but a common infectious virus such as enterovirus or rhinovirus) accesses the body through a break in the skin barrier and enters the bloodstream? After learning about virally induced inflammation of the heart i.e. myocarditis, and how it is often triggered by a viral infection such as a stomach virus or even the common cold, I… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
How to find out which elements are available in a galaxy How to find out which elements are available in a galaxy Hi, I was working on the X-ray-vision-seeing-into-space project provided in science buddies. Here is the link to the project: https://www.sciencebuddies.org/science- ... ce#summary For my project, I am creating a program that can generate a false color image. Currently I plan to have the program input variables be the fits file containing the various images of the galaxy, along… Read more
Need a catchy title for science fair Need a catchy title for science fair I'm doing a project on the effect of temperature on the ph of water. I need a title quick. Does anyone have ideas. Re: Need a catchy title for science fair Don't try to be clever or 'catchy' with your project title--just say what you did and what happened. Let the results provide the interest and excitement. Sybee Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Space question Space question Hey, I am in no immediate hurry but this is a question I’ve had for a few years. So here it is; is absolute zero attainable in space? Theoretically if the freezing device was floating In the zero gravity would It be possible? I believe it would because it isn’t connected to any form of thermal energy other than electrical for power and if it wasn’t in oxygen. I’ve asked my science teacher this and she replied “I really don’t know” so I was wondering if you would… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Radioactivity visible in cloud chamber Radioactivity visible in cloud chamber Hi, We are working on the project makkng radioactivity visible in the cloud chamber. Can we use Isopropyl alcohol at 91% instead of 99%? 91% is available at drugstore and time is tight for shipping... Thanks! Re: Radioactivity visible in cloud chamber Hi there, From my understanding, as long as you can still get the 91% mixture to evaporate (you should see the mist on the inside of your Petri dish) with the heat… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
SQL Injection Attack Project SQL Injection Attack Project i figured out how to log in as anybody but i can not look up other peoples password could i get some help on that Re: SQL Injection Attack Project Hi Redstoneman, Please give us a little more detail on how you are trying to access the password in the table please. (In particular, I am curious what statement are you using with the injection code?) Also, please take a look at this page from the Bibliography… Read more
Help me with science fair Title!! (please) Help me with science fair Title!! (please) Hi, I am in 7 th grade, and my science fair project is " The Amount of Sugar in Everyday Foods" I am testing how well my family members can accurately match 8 everyday food with the amount of sugar that they really contain. It would be nice if I had the title ideas by Thursday of this week. Thanks, agtuberjoy Re: Help me with science fair Title!! (please) Hi! A few suggestions are… Read more
Variables Variables Can you help me determine what the variables are for this experiment? https://www.sciencebuddies.org/science- ... -eggshells Thank you Re: Variables Hello Jenna and welcome to Science Buddies, Take a look at the "Variables" section in the Science Fair Project Guide: https://www.sciencebuddies.org/science- ... ience-fair Let us know if you have more questions! Re: Variables I am still unsure what the variables are. Thank you Re: Variables Hi Jenna, Read… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Help In Developing a Robot for a Project Help In Developing a Robot for a Project Hello! My name is Christina, a student in California at Glen A Wilson High School. My partner Grace and I have been assigned a Senior Project for our end of the year investigation in our class, Biomedical Interventions. Our project is based upon making an automated robot for its usage in a typical Emergency Room. We understand that making a robot is very complex, and requires some high knowledge of engineering,… Read more
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