Ask an Expert (Page 34)

Smarter Farming with Aerial Photo Analysis

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

Smarter Farming with Aerial Photo Analysis Smarter Farming with Aerial Photo Analysis Hi I need some help with this project “ Smarter Farming with Aerial Photo Analysis” 1. I don’t have a digital camera. Can I use my phone instead to take the Ariel view picture? 2. I do not have any image editing software. Can you suggest something which is free? GIMP? 3. Am i supposed to do a presentation in a ppt or which format iam supposed to deliver this project output/ result? 4. Am i supposed to… Read more

Help testing tensile strength (Seaweed fabric project)

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

Help testing tensile strength (Seaweed fabric project) Help testing tensile strength (Seaweed fabric project) Posted on behalf of student Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/GreenChem_p006/green-chemistry/alginate-seaweed-biofabrics#materials ----------------------------------------- Please help. The samples do not seem to break. Can I use something else rather than the clamps? Maybe it’s the spring scale? The sample use without glycerin just broken… Read more

Metal won’t launch through model mass driver

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

Metal won’t launch through model mass driver Metal won’t launch through model mass driver Hello, I’m working on a model mass driver project and it’s due in 2 days. Here’s the link to the project that I followed: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p094/electricity-electronics/arduino-mass-driver . I’m having a problem with the metal launching through the tube. I’ve tried to see if the metal will launch through the tube if the coils were connected to the… Read more

Adding Bluetooth to Artificial Pancreas

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

Adding Bluetooth to Artificial Pancreas Adding Bluetooth to Artificial Pancreas How can I add Bluetooth to the artificial pancreas project? Re: Adding Bluetooth to Artificial Pancreas Hi - we don't have our own Bluetooth tutorial, but if you search online you should be able to find many Bluetooth tutorials for Arduino, where for example you can display sensor readings in an app on your phone. Read more

Question about How do Self-Driving Cars Know What to Do? activity

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

Question about How do Self-Driving Cars Know What to Do? activity Question about How do Self-Driving Cars Know What to Do? activity Type your question below and then press Submit What decision should a self driving car take if suddenly an animal comes in between the road ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/self-driving-car-algorithm]How do Self-Driving Cars Know What to… Read more

Ardiuno Clinostat Beginner error

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

Ardiuno Clinostat Beginner error Ardiuno Clinostat Beginner error Hey, I am new to ardiuno and coding and once I had posted the code (link: https://www.sciencebuddies.org/science-fair-projects/project-ideas/PlantBio_p054/plant-biology/plants-grow-microgravity-arduino-clinostat), the servo motor was getting controlled by the potentiomotor, and it was moving while i turned the potentiomoter. Although in the actual clinostat shown in the video, the servo motor is continously moving and the speed… Read more

Glitch in Object detecting goggles

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

Glitch in Object detecting goggles Glitch in Object detecting goggles Hello, I have a question regarding the object-detecting goggles you discussed on your website. So, I made the circuit and everything works alright but the code is not working well. Because sometimes even when no object is present, the buzzer makes small beeping noises. I have put in the direct code from your website; i.e. copying and pasting it onto the Arduino IDE. I've also checked with the serial monitor but to no… Read more

Orange and avacado peel polymer

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

Orange and avacado peel polymer Orange and avacado peel polymer Hi, Have been doing this super absorbent polymer that kiara has done and I have been using these type of methods For the Preparation of the Orange peel Polymer, 6 full oranges were peeled, including as much pith as possible and left to simmer in 50 mL of lemon juice for 1 hour. The orange peels were then placed in a stainless pot (unreactive) filled with 500 mL of distilled water and left for 1 hour before bringing it to a… Read more

Soil Moisture Sensor

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

Soil Moisture Sensor Soil Moisture Sensor Posted on behalf of student ------------------------------------- I ordered the electronic sensors kit. I want to build the soil moisture sensor and I made sure I followed all the instructions on your website. I made sure nothing is touching each other and the the lightbulb is placed the right way. However, I cannot get the light to turn on. Can you please take a look at the pictures below and tell me what i have done wrong? Project url:… Read more

Glucose Project

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

Glucose Project Glucose Project Posted on behalf of family/students --------------------------------------------- My boys are doing a Sienice project. UNHIDDEN SUGARS IN YOUR FOOD We run to a problerm using controlled environment when we were testing glucose strip - adding 4 grams of glucose gave us only 0.5% - green we were unable get 2% of concentration. We bought another glucose tests and sane. We added 20 g to 200 ml than we got brown colour 2% . Just unsure if glucose is not strong ? Or… Read more

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