Science Buddies
Mini Jumping Robot: How it Works
Instructions to build this jumping robot are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Robotics_p047/robotics/rubber-band-jumping-robot
Science Buddies
How to Test the Strength of a Biofabric | Science Project
Biofabrics are derived from living organisms such as seaweed or bacteria and have been proposed as sustainable alternatives to conventional fabrics such as cotton or polyester. But how do these materials perform when it comes to their...
Science Buddies
Making Sustainable BioFabrics from Seaweed | Science Project
Can you imagine clothing, handbags, or shoes made from seaweed? Seaweed biofabrics are just one of the new materials the textile industry is trying in an effort to engineer more eco-friendly fabrics. In this video, we will show you how...
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SImple Soil Moisture Sensor Circuit
Build a simple soil moisture sensor (no programming required) that you can use for a science project! The sensor also works as a water level detector. Complete written instructions, including a parts list, can be found here:...
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
Bath Bomb Making Science Project
Do you love bubble baths? Then you probably love bath bombs! In this video, we show how to make your own homemade bath bombs and give you tips on how you can use them for a science experiment. Written instructions are available on our...
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
Arduino Soil Moisture Sensor
Learn how to use resistive soil moisture sensor with an Arduino. Very useful for automatic plant watering projects! See the Science Buddies website for cool science projects you can do with an 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
Make Your Own Cosmetic Face Mask
Beauty face masks promise instant skin hydration to make your skin look more radiant. But do they really increase your skin's moisture? In this video, we show you how to make your own collagen-based hydrogel face mask and how you can...
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....
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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 to...
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...