Science Buddies
Multimeter Tip: Using Alligator Clips
This video shows how to use alligator clips to keep your hands free when taking measurements with a multimeter.
Science Buddies
Model Artificial Pancreas Science Project
This video is a walk-through of the "Dealing with Diabetes: The Road to Developing an Artificial Pancreas" project at Science Buddies:...
Science Buddies
Control a Positional Servo Motor with an Arduino
Learn how to use the Arduino servo library to control a positional servo motor in this video. Visit the the Science Buddies website for cool science projects you can do with an Arduino:...
Science Buddies
Continuous Rotation Servo Motors and Arduino
Learn how to use the Arduino servo library to control a continuous rotation servo motor in this video. See the Science Buddies website for cool science projects you can do with an Arduino:...
Science Buddies
Salt Water Battery Science Project
Learn how to make a working battery with salt water and how you can use it for a science experiment! A kit with the parts for this project is available here: https://www.homesciencetools.com/product/potato-battery-science-kit/?aff=SB1....
Science Buddies
Make a Robotic Hand with Straws
Design your own robotic hand for a science or engineering project! This video provides an overview of how you can make a basic hand or gripper using straws and string. For full science project instructions, visit our website:...
Science Buddies
Arduino Breathing Monitor
Parts list, circuit diagram, and code: https://www.sciencebuddies.org/science-fair-projects/project-ideas/HumBio_p055/human-biology-health/train-belly-breathing
Science Buddies
Make an Arduino Breathing Monitor
Build your own Arduino breathing monitor to measure chest and belly breathing, and use it for a science project! Complete instructions including a parts list, circuit diagram, and example code are available on the Science Buddies...
Science Buddies
How to Make an Axle for a Balloon Car
This video shows you how to make wheels and an axle for a balloon car or rubber band car that can be used in a variety of science projects or lesson plans. To view written instructions for these projects, see:...
Science Buddies
How to Use a Joystick with Arduino
Learn how to use an analog joystick with an Arduino so you can control outputs like LEDs and motors. See the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino
Science Buddies
Control a Pump with Arduino
Learn how to control a DC pump with Arduino. See the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino
Science Buddies
Control a DC Motor with arduino
Learn how to control a DC motor with an Arduino and a transistor and an external power supply. This approach only lets you spin the motor in one direction. See the Science Buddies website for cool science projects you can do with an...
Science Buddies
DC Motor Control with an H-bridge and Arduino
Learn to use an L293D H-bridge with an Arduino for direction and speed control of a DC motor. This is very useful for a variety of robotics projects that you can find on our site
Science Buddies
Sound-Followin Arduino Robot
This video is a quick overview of our sound-following Arduino robot project. The robot uses two microphones to drive toward a sound source. You can find written instructions, including a parts list, circuit diagram, and example code, on...
Science Buddies
Popsicle Stick Robotic Arm with Arduino
This video shows how to build a simple robotic Arm using servo motors and an Arduino. Parts list, a circuit diagram, and example code are available on the Science Buddies website:...
Science Buddies
Automatic Plant Watering with Arduino
Make your own automatic plant watering system with an Arduino, pump, and soil moisture sensor. Written instructions, including a parts list, circuit diagram, and example code, are available on the Science Buddies website:...
Science Buddies
How to Use BLAST for Finding and Aligning DNA or Protein Sequences
This video tutorial is an easy step-by-step guide for using the NCBI BLAST bioinformatics tool for your genomic research. We walk you through how to do a nucleotide or protein BLAST and give you tips for interpreting your BLAST results....
Science Buddies
How to Use the NCBI's Bioinformatics Tools and Databases
This video tutorial provides a quick overview of the NCBI website. We walk you through how to search for nucleotide and protein sequences using NCBI’s databases and explain what information is provided with each sequence. We also give...
Science Buddies
Squishy Circuits: Light Up Your Play Doh® Creations!
Do you like arts and crafts? How about making sculptures with Play Doh® or modeling clay? Imagine how cool it would be if you could add lights to your creations? That is exactly what you will get to do in this activity! Keep reading...
Science Buddies
How to Install a 9V Battery
This video shows how to install a 9 volt battery in the battery holder
Science Buddies
Why Won't it Mix? Discover the Brazil Nut Effect
Have you ever noticed that the dried fruits or nuts in your breakfast cereal are not evenly spread out inside the box, or that in a container of mixed nuts Brazil nuts gather at the top? This phenomenon is commonly called the "Brazil nut...
Science Buddies
Explore Reaction Kinetics With the Iodine Clock Reaction
Interested in the factors that influence chemical reaction rates? In this video, we will show you how to carry out a green chemistry version of the iodine clock, a chemical reaction that allows you to study several reaction rate factors....
Science Buddies
Model How Herd Immunity Works
Find out how immunizations can limit the spread of an infectious disease up to a point where the whole population is protected through herd immunity.
Science Buddies
How Strong Is Your Hair?
Have you ever wondered how strong hair is? When we talk about our hair we usually discuss color, length or texture. But what about hair strength? If you look at a strand of hair, it looks like a very thin string. In fact, it is on...