Ask an Expert (Page 168)

Lip balm project

Ask an Expert Topic Forum: Grades K-5: Physical Science

Lip balm project Lip balm project Hello, My daughter is testing vegan, plant-based lip balm recipes (adapted from the lip balm project from science buddies replacing bees wax with candelilla wax). She figured that she could use leaves which have netted pattern like the lips such as ficus leaves or hibiscus leaves. She ordered a ficus leaf plant from Amazon. She ordered a wrong moisture meter though, because what she would like is to measure moisture retention on the leaf. She ordered a… Read more

China Best Artificial Plants Supplier

Ask an Expert Topic Forum: Careers in Science

China Best Artificial Plants Supplier China Best Artificial Plants Supplier "Heyy! I'm James we are a supplier of Artificial Plants proficient counterfeit plants makers in China. China Best[url=https://pleasantarts.com/:ehd5dn7h]Artificial Plants Supplier" Read more

Stainless Steel Pipe

Ask an Expert Topic Forum: Raspberry Pi Projects Kit

Stainless Steel Pipe Stainless Steel Pipe Heyy I'm Jack our company is a Leading China Hastelloy mix provider. We have confidence in credit and quality first. we offer sheet, Stainless steel plate sheet,and [url=https://easysteelsh.com/project/steel-pipe/:11kund9w]Stainless Steel Pipe Read more

Separating microplastics from biochar

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

Separating microplastics from biochar Separating microplastics from biochar Hi, I’m working on a science research project about biochar adsorption of microplastics. Im working with a mixture of microplastics bound to biochar, free biochar, and free microplastics. Does anyone know of a way to determine quantitatively how much of each component would be in a mixture. Alternatively, does anyone know how I would separate the components of this mixture? Re: Separating microplastics from… Read more

Relative and Absolute salt concentrations

Ask an Expert Topic Forum: Grades K-5: Physical Science

Relative and Absolute salt concentrations Relative and Absolute salt concentrations PLEASE HELP ASAP! We are working on the 5th grade experiment, “How Salty Does the Sea Need to be for an Egg to Float?” Please explain in DETAIL how to calculate the relative and absolute salt concentrations. My son has not had chemistry yet and is not familiar with moles, milimoles, etc. I have searched previous posts on the topics but did NOT find them helpful. Thanks! [Administator note: link to project:… Read more

Determining COVID19 variants using NCBI

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

Determining COVID19 variants using NCBI Determining COVID19 variants using NCBI I am a grade 10 student who is exploring this subject for the first time with little background knowledge. I am looking for the protein sequences of Covid-19. Despite watching the videos, and reading the information, I am having a hard time determining which samples are the Delta variants and, perhaps the Omicron variant. I think once I am able to identify how to tell the difference on the NCBI website, I will be… Read more

Suggestions for creative Science Fair title

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

Suggestions for creative Science Fair title Suggestions for creative Science Fair title Hello, We are seeking suggestions for creative titles for a science fair project on how the weight of paper affects the distance traveled of a paper airplane. We would welcome any ideas! Thank you!! Read more

Latest InFlow Generation: ·1-GearTurbine/Reaction, ·2-Imploturbocompressor/Impulse

Ask an Expert Topic Forum: Careers in Science

Latest InFlow Generation: ·1-GearTurbine/Reaction, ·2-Imploturbocompressor/Impulse Latest InFlow Generation: ·1-GearTurbine/Reaction, ·2-Imploturbocompressor/Impulse Featured Project Development - State of the Art Novel InFlow Technology: 1-Gearturbine, Rotary-Turbo, 2-Imploturbocompressor, One Compression… Read more

Where there is charge, there can be sparks.

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

Where there is charge, there can be sparks. Where there is charge, there can be sparks. Hello, I am doing the experiment Where there is charge, there can be sparks. I tried creating static electricity at first, but it didn't work. I tried while not having socks at my feet, wearing plastic gloves, and on wood which is not painted, and it worked. Now I have a problem with transferring the charge to the electrophorus; it doesn't work while there is static charge on the acrylic sheet since it… Read more

Silurian hypothesis

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

Silurian hypothesis Silurian hypothesis Assuming that the Silurian hypothesis is true. Let's say that there once eon's ago existed an advanced civilization not related to the genus Homo. Let's say like us they genetically manipulated plants and animals, via selective breeding and direct genetic modification like crisper for example. Given enough time all material traces of such civilization will be erased except for plants and animals that have survived this hypothetical scenario. Could we… Read more

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