Ask an Expert (Page 114)

Question about Build a Pizza Box Solar Oven activity

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

Question about Build a Pizza Box Solar Oven activity Question about Build a Pizza Box Solar Oven activity How did the heat go into the solar oven? Kennedy R :D Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/solar-oven]Build a Pizza Box Solar Oven[/url] Re: Question about Build a Pizza Box Solar Oven activity Hi Kennedy, This looks like a fun project! There are a couple different types of heat transfer: conduction,… Read more

Solar panel car

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

Solar panel car Solar panel car Hello, I am a student in southern Colorado and my science teacher has assigned an end of year project. I am looking for advice on my project. I need to know why my belt drive for my solar powered car is not working/rotating. Pls lmk if you can help Re: Solar panel car Hi - we may be able to help but will need more details. First, can you let us know if you are doing this project from the Science Buddies website? If so, did you purchase one of the kits… Read more

!HELP NEEDED! Dna experiment

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

!HELP NEEDED! Dna experiment !HELP NEEDED! Dna experiment Hello, For my science fair project, I want to recreate a crime scene with some DNA (saliva or a piece of hair) left at the crime scene, and show that dna analysis is an important part of finding the culprit of the crime. But I am not sure where to start. I don't know what my question should be or how to begin my project. Please back to me quickly! Re: !HELP NEEDED! Dna experiment Hello, For questions, you could form it around… Read more

Question about Make Ice Cream in a Bag activity

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

Radioactivity

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

Question about Display Board

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

Cooking course

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

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

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

materials

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

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