Instructional Video2:24
Science Buddies

The Stroboscopic Effect with Water Drops

K - 5th
Is this water "falling up"? This video explains the illusion behind the

stroboscopic effect and how it can make water drops look like they
are
falling up or even hovering in mid-air. Check out the Science Buddies website for...
Instructional Video6:35
Science Buddies

DIY Levitating Water Drop Fountain

K - 5th
Build your own levitating water fountain! Use the stroboscopic effect to

"freeze time" and make water drops look like they are frozen in mi
d-air
or even falling up. Check out the Science Buddies website for written...
Instructional Video12:50
Science Buddies

DIY Arduino Strobe Light

K - 5th
This video shows how to make your own strobe light using an Arduino and an LED strip. The strobe light is useful to visualize the stroboscopic effect and is much better than a strobe light app on your phone. For written instructions for...
Instructional Video9:29
Science Buddies

Sewable RGB LED Unicorn Horn

K - 5th
Make your own RGB LED unicorn horn in this fun DIY activity! Written instructions, materials list, and downloadable files for this sewable electronics project are available on the Science Buddies
Instructional Video8:57
Science Buddies

Make a Woven Capacitive Touch Sensor

K - 5th
Weave your own touch sensor in this tech-savvy crafting activity! Learn how to control color changing lights with your hand-made sensor. Written instructions and a materials list for this weaving project are available on the Science...
Instructional Video5:45
Science Buddies

How to Replace a Multimeter Fuse

K - 5th
How can you tell if your multimeter's fuse is blown? How do you replace it? This video will cover these common questions with a detailed walk-through of diagnosing and replacing a blown multimeter fuse.
Instructional Video1:44
Science Buddies

Build an Arduino Clinostat: Simulate Microgravity for Plants

K - 5th
How do plants grow in space? Can astronauts grow food in a zero-gravity environment? You can do your own experiments right here on Earth to find out! In this science project you will build your own device called a clinostat that rotates...
Instructional Video6:34
Science Buddies

Positional vs Continuous Rotation Servo Motors

K - 5th
What's the difference between a positional and a continuous rotation servo motor? How do you control them with the Arduino servo library? Which one do you need for your project? Get all your questions answered in this video! For an...
Instructional Video10:55
Science Buddies

Build an Arduino Mass Driver - Cool Science Project

K - 5th
This video shows how to build a model mass driver, also called a coilgun, controlled by an Arduino. Mass drivers could be used to launch payloads into space with electromagnets instead of chemical rockets. There are many variables you...
Instructional Video4:53
Science Buddies

How to Use an Arduino

K - 5th
Learning how to use an Arduino is a great way to get started with electronics and programming. This video series will guide you through setting up an Arduino, programming it, and building circuits so you have all the knowledge you need...
Instructional Video4:47
Science Buddies

Introduction to Tinkercad Circuits

K - 5th
Tinkercad Circuits is a free online circuit simulator that runs in your web browser. You can use it to prototype circuits and even run Arduino code. Many of our tutorial videos use Tinkercad Circuits to demonstrate various concepts....
Instructional Video20:40
Science Buddies

How to Use a Button with an Arduino

K - 5th
Learn how to use a button as a digital input to an Arduino I/O pin with the digitalRead command. Visit the Science Buddies website for cool science projects you can do with an
Instructional Video10:56
Science Buddies

How to Fade an LED with Arduino analogWrite

K - 5th
Learn how to fade an LED connected to an Arduino pulse width modulation (PWM) pin using the analogWrite command. Visit the Science Buddies website for cool science projects you can do with an
Instructional Video11:35
Science Buddies

How to Use a Potentiometer with Arduino analogRead

K - 5th
Learn how to use a potentiometer with one of the Arduino's analog input pins and the analogRead function. Visit the Science Buddies website for cool science projects you can do with an
Instructional Video2:27
Science Buddies

How to Find the Center of Mass of (almost) Any 2D Shape | STEM Activity

K - 5th
Learn how to find the center of mass of a 2D paper shape using just a few simple materials! Written instructions are available on the Science Buddies
Instructional Video5:43
Science Buddies

Make a Battery with Coins | Science Experiment

K - 5th
Make a battery with pennies, nickels, salt, and vinegar in this fun science experiment! This type of battery is also called a voltaic pile. You can use a multimeter to measure the voltage and current produced by your battery, and even...
Instructional Video2:13
Science Buddies

Fire-Fighting Foam

K - 5th
Fires need fuel, oxygen, and heat to burn. So, what happens if one of these ingredients is taken away? In this video, we will show how you can extinguish a flame using a chemical reaction. Can you find out what makes the flame go out?...
Instructional Video4:12
Science Buddies

The Wagon Wheel Effect | Optical Illusion Science Experiment

K - 5th
Have you ever seen a video where it looked like a car's wheels or a helicopter's blades were spinning backwards? This optical illusion is called the wagon wheel effect, named after old movies where it looked like wagon wheels were...
Instructional Video5:07
Science Buddies

PING Ultrasonic Distance Sensor and Arduino

K - 5th
Learn how to the PING))) ultrasonic distance sensor from Parallax, also called a sonar sensor, with an Arduino to measure the distance to a target object. Visit the Science Buddies website for cool science projects you can do with an
Instructional Video0:39
Science Buddies

How to Measure Voltage with a Multimeter

K - 5th
This video shows how to measure DC voltage with a manual-ranging multimeter.
Instructional Video0:55
Science Buddies

How to Measure Current with a Multimeter

K - 5th
This video shows how to measure DC current with a manual-ranging multimeter.
Instructional Video5:22
Science Buddies

HC-SR04 Ultrasonic Distance Sensor and Arduino

K - 5th
Learn how to use the HC-SR04 ultrasonic distance sensor, also called a

sonar sensor, to measure the distance to a nearby object usin
g an
Arduino. Visit the Science Buddies website for cool science projects you can dArduinoan...
Instructional Video0:44
Science Buddies

How to Measure Resistance with a Multimeter

K - 5th
This video shows how to measure resistance with a manual-ranging multimeter.
Instructional Video0:41
Science Buddies

Multimeter Tip: Using Alligator Clips

K - 5th
This video shows how to use alligator clips to keep your hands free when taking measurements with a multimeter.