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Build obstacle detecting glasses for visually impaired people

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

Build obstacle detecting glasses for visually impaired people Build obstacle detecting glasses for visually impaired people After completing the experiment, the buzzer is not beeping at all. Attaching picture for reference. I have made changes to the ping code and uploaded code to the buzzer as well. Is this code correct? const int trigPin = 7; const int echoPin = 8; void setup() { Serial.begin(9600); pinMode(trigPin,OUTPUT); pinMode(echoPin,INPUT); } void loop() { long duration,… Read more

Earth science and Biology

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

Earth science and Biology Earth science and Biology I’m researching hot topics about coniferous forests and interesting animals that live there, but I can’t seem to find much. If you know of anything, I would really appreciate it if you could tell me. Read more

Earth science and Biology

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

Earth science and Biology Earth science and Biology I’m researching hot topics about coniferous forests and interesting animals that live there, but I can’t seem to find much. If you know of anything, I would really appreciate it if you could tell me. Re: Earth science and Biology Hi, This link has a great overview of coniferous forests and animals that reside in them: https://www.worldatlas.com/animals/10-animals-that-live-in-coniferous-forests.html Here's an excerpt from the link:… Read more

Question about Candy Core Samples activity

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

Question about Candy Core Samples activity Question about Candy Core Samples activity Type your question below and then press Submit! How is this a experiment and is it edible for me and mi familia? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/candy-core-samples]Candy Core Samples[/url] Re: Question about Candy Core Samples activity Hi - This is a STEM activity that gives you a… Read more

مشروع تخرج

Ask an Expert Topic Forum: Using the Scientific Method and Engineering Design Process

مشروع تخرج مشروع تخرج اريد ان تساعدوني في بناء طابعة برايل بـ 6 أقلام Read more

Soil Microbial Fuel Cell Wire Type

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

Soil Microbial Fuel Cell Wire Type Soil Microbial Fuel Cell Wire Type Hello , My name is Shanmukha and for my eighth grade science fair project I am planning to do a Soil Microbial Fuel Cell . My microbial fuel cell is single chambered and I am planning to use carbon graphite felt for it . For the wire type , which one would make the fuel cell produce electricity efficiently ? Titanium or Copper wires ? Also could I just use wire glue to connect the wire onto the graphite carbon felt or… Read more

Question about Find the Hidden Colors of Leaves activity

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

Question about Find the Hidden Colors of Leaves activity Question about Find the Hidden Colors of Leaves activity Type your question below and then press Submit! I love the lab. However, my class periods are only 60 minutes. My question is. Can this activity be split into three days? If so, when would you stop for the day and start the next day? Thanks for the help ------------------------------------- Leave this to help the Experts: The activity can be viewed at:… Read more

Question about Do-It-Yourself DNA activity

Ask an Expert Topic Forum: STEM Activities

Question about Do-It-Yourself DNA activity Question about Do-It-Yourself DNA activity this helped my studies and my 5th grade class :) :D :o :o :o :o :o :) ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/strawberry-dna-extraction]Do-It-Yourself DNA[/url] Re: Question about Do-It-Yourself DNA activity That's great to hear! Amy Science Buddies Read more

How Can kamagra 100mg oral jelly australia Be Used Safely?

Ask an Expert Topic Forum: Using the Scientific Method and Engineering Design Process

How Can kamagra 100mg oral jelly australia Be Used Safely? How Can kamagra 100mg oral jelly australia Be Used Safely? kamagra 100mg oral jelly australia represents a medicinal product of oral jelly containing sildenafil that is known as a phosphodiesterase type 5 (PDE5) inhibitor used in treating erectile dysfunction. The medication allows relaxing the blood vessels in the penis and improves the blood flow when sexual stimulation occurs. It does not lead to an erection directly nor increases… Read more

Fixation/Preparation of Plant Tissues for Microscope Observation

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

Fixation/Preparation of Plant Tissues for Microscope Observation Fixation/Preparation of Plant Tissues for Microscope Observation Hello! I am stuck on a step for my current science project, where I will need to observe the microscopic properties of tomato tissues after exposing them to allelopathic VOCs. Does anyone know/have any advice on if there is a standard procedure for fixation, dehydration, and preparation of tomato tissues, specifically from the leaves, stem and roots? I am hoping to… Read more

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