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Question about Design a Cell Phone Stand activity

Ask an Expert Topic Forum: STEM Activities

Question about Design a Cell Phone Stand activity Question about Design a Cell Phone Stand activity mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D … Read more

Seebeck Effect

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

Seebeck Effect Seebeck Effect I am getting confused on this step for the Seebeck Effect experiment 2)Look up the thermoelectric electrical potential difference for your observed room temperature for a Type K thermocouple in this Type K thermocouple data sheet. Note the value in your data table. Pay attention to the sign (negative or positive)! Re: Seebeck Effect Hello, In the datasheet, the first column indicates the row's temperature in 10s. The following columns indicate the… Read more

Science fair help - Title for pH Plant project

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

Science fair help - Title for pH Plant project Science fair help - Title for pH Plant project I'm doing a project on how the pH level effects the plant but I'm having a hard time thinking of a title. Any ideas? Re: Science fair help - Title for pH Plant project Hi! This sounds like a cool experiment! Typically science fair project names consist of a catchy title followed by some information about the experiment. Here are a few ideas: - Planting Success! Which pH Level is Most Optimum for… Read more

What is the Cheapest Way to Launch Payloads into Space?

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

What is the Cheapest Way to Launch Payloads into Space? What is the Cheapest Way to Launch Payloads into Space? Hello, I was wondering about the “ What is the Cheapest Way to Launch Payloads into Space?” I need to make it into a science experiment and was thinking of using a mass driver and a model rocket to launch payloads. Is there a way to incorporate an ionic thruster as well? I know that ionic thrusters are used in orbit and not for an initial launch, but is there something that I can… Read more

Waste Not, Want Not: Use a Microbial Fuel Cell to Create Electricity from Waste, Help

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

Waste Not, Want Not: Use a Microbial Fuel Cell to Create Electricity from Waste, Help Waste Not, Want Not: Use a Microbial Fuel Cell to Create Electricity from Waste, Help During the experiment Waste Not, Want Not: Use a Microbial Fuel Cell to Create Electricity from Waste, I was making the salt bridges and had finished with it and put it in the fridge. However, when I came back the next day, I found that the mixture of the boiled water, agar, and salt had turned into a jelly-like substance… Read more

Question about DIY Mini Drone: Arduino™ Altitude Control activity

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

Question about DIY Mini Drone: Arduino™ Altitude Control activity Question about DIY Mini Drone: Arduino™ Altitude Control activity Type your question below and then press Submit! What kind of transistor do we need for this project? I gather it says MOSFET and on the schematic it says FET N. Thank you so much! ------------------------------------- Leave this to help the Experts: The activity can be viewed at:… Read more

Understanding Wolf Behavior Project

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

Understanding Wolf Behavior Project Understanding Wolf Behavior Project Hello, I think I want to do this project for science fair. I am not sure how to isolate the variable to make this a good experiment using the scientific method. My hypothesis is wolves territory expands during the winter months because of lack of food. Do you have any feedback on this or should I choose a different experiment? Thank you, Caris [Administrator added - link to project:… Read more

How are antibodies used for blood typing?

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

How are antibodies used for blood typing? How are antibodies used for blood typing? I was wondering if anybody knows the answer to this question. We are doing the experiment on how are antibodies used for blood typing. I know that my controlled variables are the antiserums, amount of drops, and the amount of time to mix the solution. So, in this experiment I don't necessarily have a controlled group because the things that I'm not changing are the antiserums, drops, and time. The only… Read more

Piezoelectricity

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

Piezoelectricity Piezoelectricity Hi, I am in 7th grade and this is my first time doing a science fair. I am interested in doing a project on piezoelectricity. However, I don't know how to fit in the concept of piezoelectricity into my project. Do you guys have any tips for my projects? Also can you think of any experiments that are practical but useful including piezoelectricity? :D :D Re: Piezoelectricity flower811 - Piezoelectric devices are very interesting, but I think to assist… Read more

Green Technology: Build an Electric Soil Moisture Sensor to Conserve Water

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

Green Technology: Build an Electric Soil Moisture Sensor to Conserve Water Green Technology: Build an Electric Soil Moisture Sensor to Conserve Water I am working on this project called Green Technology: Build an Electric Soil Moisture Sensor to Conserve Water. (Link: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p066/electricity-electronics/build-an-electronic-soil-moisture-sensor-to-conserve-water) I purchased the kit from science buddies and assembled the circuit… Read more

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