Ask an Expert (Page 128)

Question about Are You Left or Right Brained? activity

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

Question about Are You Left or Right Brained? activity Question about Are You Left or Right Brained? activity Type your question below and then press Submit! What is the total number of students who were left handed or right handed? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/left-right-brain-dominance]Are You Left or Right Brained?[/url] Re: Question about Are You Left or Right… Read more

Finding effective and affordable way to measure algae growth

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

Finding effective and affordable way to measure algae growth Finding effective and affordable way to measure algae growth Brainstorming a topic for a research project, and I wanted to identify the effect of sediment, specifically dirt, on the growth of algae in water. The topic is mainly meant to mirror the effect of riverbed erosion on bodies of water. However, i’m struggling to figure out a way to measure the algae, without having access to expensive tools. One of the best options would… Read more

Analyzing water temperature and turbidity in LANDSAT data

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

Analyzing water temperature and turbidity in LANDSAT data Analyzing water temperature and turbidity in LANDSAT data Hi, For my project I am looking at satellite data accuracy in kelp forests, and I am using the LANDSAT website to get turbidity and temperature data on that area of water (here's the link: https://earthexplorer.usgs.gov/ ). I need help knowing which data type I should use to get the data I need, thanks! Follow-up Questions: Does anyone have an idea on how to get temperature… Read more

Bacterial Resistance Experimental Procedure Clarification

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

Bacterial Resistance Experimental Procedure Clarification Bacterial Resistance Experimental Procedure Clarification Hello, I am currently preparing to conduct the“Bacterial Resistant Materials and the Best Disinfectant” experiment, and I’m not sure if I’m understanding the procedure correctly. Are you supposed to introduce bacteria to the cleaning materials in the first half (like using a piece of an old used sponge) or are you supposed to use clean, new supplies and incubate them in saline… Read more

Question about Build a Rubber Band-Powered Car activity

Ask an Expert Topic Forum: STEM Activities

Question about Build a Rubber Band-Powered Car activity Question about Build a Rubber Band-Powered Car activity Type your question below and then press Submit! why do we sleep? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/rubber-band-car]Build a Rubber Band-Powered Car[/url] Read more

Statistical test for temperature over time?

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

Statistical test for temperature over time? Statistical test for temperature over time? For my project, I wanted to see how changing the colors of the roofs of buildings would affect indoor temperatures. I had three model buildings with different colored temperatures and tracked the temperatures inside them every 15 minutes for 3 hours. I'd like to see if the roof colors had a significant difference on the temperatures, so what would be the best way to analyze all of my raw… Read more

windchill above 50 degrees

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

windchill above 50 degrees windchill above 50 degrees you feel colder at room temp with a fan but windchill is only under 50 degrees so what is it called over 50 degrees then? If there is no word for it i just need to know if its possible to measure how much quicker an object cools with wind (above 50 degrees) Re: windchill above 50 degrees Hello! You're right that the term windchill is usually only used when it's below 50 degrees. But if you're doing a science project where you're testing… Read more

Question about Turn Milk into Plastic activity

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

Question about Turn Milk into Plastic activity Question about Turn Milk into Plastic activity Type your question below and then press Submit! I am wondering whether there is a chemical formula for what happens in the Milk Plastic activity. Gailyn Ryan ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/milk-into-plastic]Turn Milk into Plastic[/url] Re: Question about Turn Milk into… Read more

Carnival Games are they rigged and how to win

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

Carnival Games are they rigged and how to win Carnival Games are they rigged and how to win Hi I am doing a project on Carnival Games to figure out how to win rigged games or what are tips to win games. Can an expert answer these questions I have for my project? 1. Is it illegal to rig carnival games? 2. How are carnival games scams? 3. Can you still win a rigged game? 4. What should you look for to not get scammed? 5. What are the easiest carnival games to win? 6. Is the cost of the… Read more

research

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

research research I'm a STEM student humbly asking for your assistance. I'm now working on a research project about the effectiveness of an alternative laundry bleach (which is my product) and one of my quantitative indicators are about comparing the stains removed on clothes after using stain removers of difference mixtures. I found your reply on a student way back in 2017 that you can measure the clothes quantitavely via ImageJ, my problem is I don't know how to use it and I don't have… Read more

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