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Ask an Expert Topic Forum: STEM Activities
Question about Make Ice Cream in a Bag activity Question about Make Ice Cream in a Bag activity what would you like to know about the Make Ice Cream in a Bag activity? Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Radioactivity Radioactivity A student has 8.00g of a radioactive substance, which emits beta radiation. Its half life is 12 hours. Twenty four hours later he measured its mass and was surprised to find the mass of the sample was still 8.00g, not 2.00g as he expected. Explain why he should not have been surprised. Re: Radioactivity Hello, ScienceBuddies is for students working on science fair experiments. This sounds like it might be a homework question. Do you have a question related to a… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about Display Board Question about Display Board Does everything have to be typed on the display board? Re: Question about Display Board Hello Kara, It would be best if you checked with your specific science fair regarding their specific instructions for preparing your display board. Good luck -- hope your project gets great reviews from the judges! Madeline Moderator Read more
Ask an Expert Topic Forum: STEM Activities
Cooking course Cooking course These [url]https://www.amazon.com/Toshiba-ML2-EC10SA-BS-Convection-Energy-saving/dp/B08G4Q5196?maas=maas_adg_F9D8E55C1CEC19FBA25DD2A20A23C830_afap_abs&ref_=aa_maas&tag=maas&th=1[/url] Toshiba air fryer taquitos are loaded with beef and cheese, crispy on the outside, and beyond simple to make in your air fryer! Dip these in salsa or queso for a fun snack or quick dinner. Cook your ground beef and drain the fat. Add your seasoning, chilis, and water to… Read more
Antifungal Susceptibility Testing Antifungal Susceptibility Testing We are currently writing a research paper, and this is the method our teacher recommended us. We are testing if a leaf extract can inhibit the growth of a fungi. It goes like this: The agar culture medium will be made by dissolving 19.5 grams of it in 500 mL of distilled water in a container. It will be sterilized in an autoclave at 121°C and 15 psi for 15 minutes. Afterwards, (leaf extract) will be added and allowed to cool… Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
materials materials where could I get bimetallic jumping discs. My students found that experiment highly interesting but the link says page not found. Thanks for any help Re: materials Hi - I searched around and it looks like these discs are not available from big box stores/major online retailers like Amazon, but there are other hobby websites that sell them. I would just search for "bimetallic jumping discs" and look for a site that ships to your area (I think the top site in the search… Read more
Ask an Expert Topic Forum: STEM Activities
Question about Soil Moisture Detector circuit Question about Soil Moisture Detector circuit Here is the link to the project I am talking about: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p066/electricity-electronics/build-an-electronic-soil-moisture-sensor-to-conserve-water I have tweaked this circuit and reconstructed it several times. It worked originally, but now the LED light never fully turns off like it did before. Instead, it dims when moisture is… Read more
Enzyme detergent science project Enzyme detergent science project Hi we are doing the science for a project with the laundry detergent containing enzymes and one not continuing times and our hypothesis was that the 1 With enzymes would work better than the one without but they actually work exactly the same They got out the same stains and the truth is that didn't come out. Look the same on both so now we know our hypothes as was incorrect but we don't know where to go from for here for the… Read more
Ask an Expert Topic Forum: Grades 6-8: Math and Computer Science
How to Build a Career in Computer Science Without a Degree How to Build a Career in Computer Science Without a Degree The field of computer science is one of the most dynamic and fast-growing industries in the world. However, not everyone has the means or the time to pursue a degree in this field. The good news is that there are many paths you can take to build a successful career in computer science without a degree. In this article, we'll discuss various strategies and tips that can help… Read more
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