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Eggshell and chicken bones under a microscope

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

Eggshell and chicken bones under a microscope Eggshell and chicken bones under a microscope Hello, For my project I would like to see the effect of vinegar on eggshells and chicken bones under the microscope. Would it be possible see the effect using a school microscope? Would I have to make a slide? Thank you for your help. Re: Eggshell and chicken bones under a microscope Hi there! Thank you for your question! Generally, the effect of vinegar on eggshells and bones tends to happen… Read more

Idea

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

Idea Idea I need help coming up with an IV. I want to contact the ISS but I don't know an IV. I saw a cool video of building a direct antenna that I thought was cool. Please help. Read more

Not a question but some research of my own

Ask an Expert Topic Forum: Careers in Science

Not a question but some research of my own Not a question but some research of my own As an engineer with a keen interest in home automation and sustainable technologies, I recently conducted research on selecting the [url=https://metadomotics.com/heating-cooling/thermostats/thermostat-for-airbnb/]best thermostat for airbnb[/url] properties. My aim was not only to ensure guest comfort but also to contribute to energy efficiency and sustainability. The intersection of technology and… Read more

Supercooling and Snap Freezing

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

Supercooling and Snap Freezing Supercooling and Snap Freezing Hello, I have a few questions about this project: 1. Does supercooling before freezing mean that when you tap the cup it should instantly turn to ice or is that only for bottled waters? 2. If the water does not reach a temperature of -1 to -3 Celsius before the 30 minutes is ended does that mean it would be a no on a chart saying if it supercooled or not? 3. Could you list the dependent variable, independent variable, control,… Read more

Testing the Effects of colloidal silver on daphnia

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

Testing the Effects of colloidal silver on daphnia Testing the Effects of colloidal silver on daphnia Hello. I am doing a project where I will be testing the effects of colloidal silver on daphnia. I would also like to test how long the daphnia will stay alive in water from 3 ponds that are used by people. One is Ascarte Lake in El Paso, Texas. One is a man-made lake in Las Cruces, NM, and the other is Balmorhea State Park Pool in Texas. This one is interesting because the pool is filled… Read more

I need help with this project “ Forensic Science: Building Your Own Tool for Identifying DNA”

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

I need help with this project “ Forensic Science: Building Your Own Tool for Identifying DNA” I need help with this project “ Forensic Science: Building Your Own Tool for Identifying DNA” I can’t get it to work at all, I think I’ve done all the directions right and I’ve tried replacing the electrodes, batteries, food dye. I just can’t seem to get it to work, and really need some help/tips. I got the electrodes to bubble in the chamber and left my chamber alone for thirty minutes in the couple… Read more

Question about Build a Circuit to Automatically Water Your Plants

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

Question about Build a Circuit to Automatically Water Your Plants Question about Build a Circuit to Automatically Water Your Plants We have built the circuit but would like to test the pump. Is there a way to just run the water pump to make sure it works? Thank you Re: Question about Build a Circuit to Automatically Water Your Plants Hi - you can just connect the pump directly to a battery (without the Arduino) to confirm that it works. It should turn on immediately. Read more

How do you culture bacteria?

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

How do you culture bacteria? How do you culture bacteria? I am doing a science project for a class on what kills bacteria the best. But a major part of it is culturing bacteria. I have an idea of how to but I want to make sure that I am doing it in the best way. What materials do I need? What process do I follow? How can I make it the same for all tests I do? Please if someone can help me clarify and led me in the right direction. Re: How do you culture bacteria? Hi there! Thank you for… Read more

Feeding Earthworms Question IMPORTANT

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

Feeding Earthworms Question IMPORTANT Feeding Earthworms Question IMPORTANT Hello, I had a question on the Feeding Earthworms project. In the article it mentions using the Soil test kit that tests pH, nitrogen, phosphorus, and potassium. The problem is the data that is shown on these kits is shown as N0, N1, N2, P0, P1, P2, etc. The problem is what measurement am I using for this, how can I translate this into another form of data that is quantifiable? Thanks, Kaleb Taddesse. [Project:… Read more

SCIENCE CONTINENTAL TO CONTINENTAL PLATES (CONVERGENT BOUNDARY)

Ask an Expert Topic Forum: STEM Activities

SCIENCE CONTINENTAL TO CONTINENTAL PLATES (CONVERGENT BOUNDARY) SCIENCE CONTINENTAL TO CONTINENTAL PLATES (CONVERGENT BOUNDARY) Can only one mountain be formed at the convergent boundary (continental to continental plates)? cause we made a model about convergent boundary. and our model shows only one big mountain made of plastic bottle. it's like both sides of the box have a side of mountain so when you pull the one box, it collides with the other box so it forms a one mountain. I don't… Read more

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