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Ask an Expert Topic Forum: Grades 6-8: Physical Science
Are LED the future?optical output power of LED,science fair Are LED the future?optical output power of LED,science fair I tried measuring the optical output power of Led and incandescent bulb . for LED the procedure says i need to fix the clamp when the voltage across the resistor is 2.5 v to fix the clamp . is it the same for incandescent lamp too? Also is there any way to reset the light to voltage converter. it gets saturated easily and shows 3.0 always. i tried with 2 converters. Re:… Read more
Science Fair Project Name Science Fair Project Name My 4 grader is going a science fair project on how long does it take different type of compounds to harden to include putty, slime, foam..etc..and she was looking of a cool name for the project Re: Science Fair Project Name The simpler a project name sounds, the less complicated words and phrases it contains, the better it is perceived. Abbreviations, acronyms, long words, and phrases are not welcome in the names of creative or research… Read more
Ask an Expert Topic Forum: Careers in Science
Microbiology Career Microbiology Career Hey, I am doing Microbiology. Is there high paying job in microbio? Re: Microbiology Career To learn more about this career path, please view the career profile here: https://careerdiscovery.sciencebuddies.org/science-engineering-careers/life-sciences/microbiologist Amy Science Buddies Read more
Which would live longer? Which would live longer? My question is which would live longer, an invasive plant species or a native plant species. Can someone help me? Re: Which would live longer? Hi, Is your question in reference to a science project you are doing or planning? This forum is specifically for developing science projects, experiment planning and trouble-shooting. If you would care to describe your project with the hypothesis and methods, we may be able to help with the… Read more
Growing bacteria and antimicrobial activity Growing bacteria and antimicrobial activity Hello, I'm going to have a science fair this year. My topic is to observe which plant extracts affect the death of bacteria the most. I've completed the procedure of my experiment by asking lots of experts, but I'm not sure about safety, so I want to get a final check from experts. I'm going to do this experiment at home. I will disinfect all items and place before and after the experiment. First of all,… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
PLS HELP - URGENT PLS HELP - URGENT Hello, On the Waste Not Want Not page (building an MFC), I am wondering about the Making salt bridges part. What tubes are they talking about? I thought the agar solution was simple poured into the petri dish and put into the fridge. [i]these are the instructions:[/i] [i]2) Cover one end of the tube section from the compression fitting securely with aluminum foil. Repeat with the tubes from all of the compression fittings. Place all tubes, open end up,… Read more
Ask an Expert Topic Forum: STEM Activities
Question about How Fish Sink and Float activity Question about How Fish Sink and Float activity Greetings ! The article How Fish Sink and Float explains the behavior of the balloon-bottle system. But using these observations to explain the behavior of bladdered fish is completely wrong! The article ignores a whole scientific literature dating back to the 60s [Root effect, rete mirabile, oval body etc.] The example of the gas-free balloon that sinks the bottle and floats it when filled with… Read more
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soap2day.to soap2day.to Soap2Day is essentially a loose streaming web site that lets in users to be utilized by users from all over the global to download and watch tv shows, films, and indicates at no cost. Official Soap2Day website became close off the internet due to issues with piracy and this web site came up with comparable capabilities and features. You can utilize this web site to flow your selected content material at the net without downloading it and downloading it should you want… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
measurements measurements Hello[url=https://boobsgifs.com].[/url] I finished the experiment and have a question about results. My index numbers for each of the sugar preparations get smaller as the percentage goes up, and all of them and the angles are smaller than the one with plain water. My question is: shouldn't I expect the angles to increase as the percentage of sugar increases since it should slow the light down and make it "bend" more? Read more
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