Ask an Expert (Page 175)

Hyperloop Train System Design (Feedback Appreciated)

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

Hyperloop Train System Design (Feedback Appreciated) Hyperloop Train System Design (Feedback Appreciated) Hello everyone, I've been looking into building a large scale, levitating train system in an air-tight tube that transports packages across vast distances (eg the continental US). What's your take on the matter? Thanks! Re: Hyperloop Train System Design (Feedback Appreciated) Are you working on a school science project? If so, what will you be exploring and what kind of experiment do… Read more

MagLev Trains

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

MagLev Trains MagLev Trains Can MagLev trains help reduce the need for truck drivers, relieving pressure on cargo transportation, allowing for greater movement of goods? Re: MagLev Trains Hello, Magnetic levitation trains are very interesting. Is your question related to a science fair project? Can you tell us a bit more about your project and how we can help you? ScienceBuddies is for helping students with science fair projects. Audrey Re: MagLev Trains I am in a group and we are doing… Read more

Measuring H2 and O2 in water electrolysis

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

Measuring H2 and O2 in water electrolysis Measuring H2 and O2 in water electrolysis Hi - My kid is doing a home experiment to break water into H2 and O2 and measuring the impact of changing the charge and the amount of salt used. The problem is that there she is not collecting the gas released as the water is in an open beaker. Is there a way to collect and measure the amount of gas released and correlate the battery charge and salt used? Re: Measuring H2 and O2 in water… Read more

materials list typo?

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

materials list typo? materials list typo? Concerning the Science Fair Project: "How Does Soil Affect the pH of Water" (linked below), are the dimensions for the sediment tubes in the materials list correct? 25 cm x 5cm? (250mm x 50mm?) We have not been able to find tubes even near the specified size and most website descriptions give their tube dimensions in mm not in cm like on the materials list. The largest sediment tubes I can find are about half the dimensions required for this… Read more

Pokemon habitat generator

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

Pokemon habitat generator Pokemon habitat generator Ever desired a device that offers you a random Pokemon? Then take a look at out this tool and Expand your know-how on all Pokemons with Random Pokemon Generator! Sort out Pokemons by type or by using Power on this extraordinary web-primarily based tool. Random Pokemon Generator is an internet device by means of Drew Mitchell. Just like what it’s referred to as, this recreation will generate a most of 6 Pokemons which can be taken care of… Read more

Grow E. Coli without an incubator

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

Grow E. Coli without an incubator Grow E. Coli without an incubator I need to grow a reconstituted E. Coli culture for my biology IA, but I do not have access to an incubator. I started the project following instructions from my neutralizing bacteria kit, and it has been five days without significant bacteria growth. There are a few spots of bacteria on the agar, but not enough growth to measure the area of inhibition. Should I give the bacteria a few more days to grow? Or should I… Read more

Question regarding 10th grade science fair project: genetic engineering and nutritional value

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

Question regarding 10th grade science fair project: genetic engineering and nutritional value Question regarding 10th grade science fair project: genetic engineering and nutritional value Hello! I had a research question planned for my science project that would be investigating the effect of genetic engineering on the nutritional value of produce. We were planning to use refractometers to measure any differences in sugar content or minerals, use titration to compare vitamin c levels, and… Read more

Catchy Title for Science Fair Project

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Catchy Title for Science Fair Project Catchy Title for Science Fair Project I’m trying to help my son come up with a catchy title for his project. He’s measuring the weight capacity of different soils. As in, buildings can collapse if the weight is too much for the soil they are built on. Any ideas?? Read more

Soil Erosion Experiment URGENT question!!!

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

Soil Erosion Experiment URGENT question!!! Soil Erosion Experiment URGENT question!!! In the science buddies experiment "Can plants stop soil erosion?", what would be the controlled variables? Would the radish seeds be included in the controlled variables category or would that fall under the independent variable (sowing seeds)? Re: Soil Erosion Experiment URGENT question!!! Hello! The independent variable in a science experiment is the variable you manipulate to observe what effect it has… Read more

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