Have you ever wondered why silver jewelry that starts out nice and shiny turns brownish-black and dull over time? The brownish-black stuff is called silver tarnish, and it is the result of a chemical reaction on the silver's surface. In this video, we show you how you can use electrochemistry to create or remove silver tarnish from silver objects. You can use these methods to give your jewelry a vintage look or if you want to make it nice and shiny again. Written instructions are available on…
Did you know that you can curl certain metals by just heating them up? In this fun science activity, you will find out how it works and why it matters how different metals respond to heat. Written instructions are available on our website at https://www.sciencebuddies.org/stem-activities/bimetal-strip?ytid=wFXu2gcvCvE&ytsrc=description
Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and fun activities for K-12 parents,…
Learning how troubleshoot, or debug, your circuit when your Arduino project isn't working as expected. See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm and the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=9GLaU-BCEQM&ytsrc=description
0:00 intro
0:35 make sure your circuit has power
0:47 check for open circuits
1:34 make sure you're…
Diluting a sample or solution is common practice in science. This video explains everything you need to know about diluting a solution or sample. We show you different ways of making a dilution, discuss dilutions and dilution factors, and walk you through calculating concentrations of different dilutions.
Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at…
Learn how to fade an LED connected to an Arduino pulse width modulation (PWM) pin using the analogWrite command. See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm and the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=QCZISwDi_Qo&ytsrc=description
0:00 intro
0:17 circuit overview
0:40 pulse width modulation (PWM) pins
2:16 open an…
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 website: https://www.sciencebuddies.org/stem-activities/x-marks-the-spot-finding-the-center-of-mass?ytid=dxC_GuLNiAs&ytsrc=description
Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at…
How to correctly gap a spark plug. This is a fast and easy video on how to gap a spark plug and spark plug gap adjustment. All plugs have to be checked and a gap tool is $1. Incorrect plug gap can lead to poor performance and poor fuel economy.
Platinum plugs have a recommended replacement every 50-100k miles depending on your vehicle and use... Copper plugs have a recommended replacement every 30k miles or so.
Product Used:
- Spark Plug Gap Tool: https://amzn.to/2UxtBER
**If the video was…
This video shows how to install a 9 volt battery in the battery holder used in the Science buddies Art Bot and Brushbot projects. To view full directions for these projects, see the "Build a Brushbot" and "Art Bot: Build a Wobbly Robot Friend That Creates Art" projects at Science Buddies:…
This video shows you how to make a bristlebot using parts from your Science Buddies bristlebot kit. For instructions to use your bristlebots for a science project, see the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Robotics_p010/robotics/racing-bristlebots?ytid=Q1zToREgV0c&ytsrc=description
Note: proceeds from sales of the kit help support Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone.
Science Buddies…
This video shows you how to make a homopolar motor, a simple motor made from a battery, magnet, and copper wire. This is a fun simple science experiment or demonstration, that you can turn into a science fair project by measuring the rotation speed of the motor if you change a variable (like the size of the magnet or the shape of the wire coil). Written instructions are available on the Science Buddies…
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