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Question about Make Sprinkles Vibrate with Sound activity

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

Question about Make Sprinkles Vibrate with Sound activity Question about Make Sprinkles Vibrate with Sound activity Type your question below and then press Submit! Hey, I'm doing a project, I was wondering if it would work with a speaker instead of humming. I want to make it more sanitarry. ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/sprinkles-vibrate-sound]Make Sprinkles Vibrate… Read more

Help Needed: Carbon Filter Project

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

Help Needed: Carbon Filter Project Help Needed: Carbon Filter Project Hi - My daughter is doing the carbon filtration project using granular activated carbon and powdered activated carbon. She has followed the experimental procedure but the results were not as she expected. Through her research she assumed that the granular activated carbon would remove some contaminants but not as much as the powdered activated carbon would. The results were that with both food color concentrations after… Read more

Help Needed: Carbon Filter Project

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

Help Needed: Carbon Filter Project Help Needed: Carbon Filter Project Hi - My daughter is doing the carbon filtration project using granular activated carbon and powdered activated carbon. She has followed the experimental procedure but the results were not as she expected. Through her research she assumed that the granular activated carbon would remove some contaminants but not as much as the powdered activated carbon would. The results were that with both food color concentrations after… Read more

4U Earth & Space Science

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

4U Earth & Space Science 4U Earth & Space Science Hey guys, I just had a question to ask before beginning my final year of high school in two days! I’m not the best at science and I’m not super super interested in earth and space science, but I took the course. Should I drop it? Should I sit in the first class and see if I like it? In my defense, I took it cause I might have wanted to apply to an aviation program but I don’t think I will be… Read more

Question about Find Your Blind Spot! activity

Ask an Expert Topic Forum: STEM Activities

Question about Find Your Blind Spot! activity Question about Find Your Blind Spot! activity Type your question below and then press Submit! I have fun doing it because I was something new a everything I have done with other teacher , I feel we have to due more of this experiments . ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/blind-spot]Find Your Blind Spot![/url] Re: Question… Read more

Biology about

Ask an Expert Topic Forum: Careers in Science

Biology about Biology about [quote]Hello[/quote] The scientific study of living things and how they interact with one another and their surroundings is known as biology. It encompasses a wide range of topics, from molecular mechanisms within cells to the diversity of ecosystems. Biochemistry provides the foundation for advances in agriculture, health, and conservation." [SIZE=1][url=https://pmkisanyojanastatus.com/][color=#FFFFFF]PM kisan status[/color][/url][/SIZE] Read more

Seed in agar growing

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

Seed in agar growing Seed in agar growing Hey I really need help I have a project that I have to grow seeds in agar but bacteria keep growing in it what should I do Re: Seed in agar growing Sat., Mar. 30, 2024 Hi Leeni, In answer to your question, yes you can sterilize seeds to prevent outgrowth of bacteria on agar medium. All you have to do is soak the seeds briefly in a dilute solution of Clorox. Here is one reference for seed sterilization that I found by searching for "method for… Read more

PLEASE HELP! Wireless Electricity Transmission using Lasers

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

PLEASE HELP! Wireless Electricity Transmission using Lasers PLEASE HELP! Wireless Electricity Transmission using Lasers I am calculating transmission efficiency by calculating the power gained by the solar panel (Volts * Amps) over the power output of the laser (.1 Watts) but it is returning a transmission efficiency over 100 percent. Can someone please help. Re: PLEASE HELP! Wireless Electricity Transmission using Lasers Hello, If your calculations have a transmission efficiency of over… Read more

What is the science behind Acne?

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

What is the science behind Acne? What is the science behind Acne? Acne is a common skin condition that occurs when hair follicles become clogged with oil and dead skin cells. The process starts with the overproduction of oil (sebum) by the sebaceous glands, which can be triggered by hormonal changes, genetics, or certain medications. [url=https://www.dosepharmacy.com/tretiva-40mg-capsule]Tretiva 40[/url] is the medicine that treat acne. This excess oil, along with dead skin cells, can block… Read more

Sulfuric acid

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

Sulfuric acid Sulfuric acid "Let s assume the pH, as with most municipal tap waters, is approximately 8 or 9. Begin adding 95% H2SO4 one drop at a time, mixing thoroughly, and measuring the pH with the pH meter or the range 5.0-6.5 pH papers between each drop until the pH is about 5.8 or 6.0." I'm not sure if i read that the sulfuric acid has to be clear, or not. I bought one bottle at home depot, virgin sulfuric acid. It's not clear, kind of rusty brownish. Can this be ok to use to lower… Read more

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