Jump to main content

Elementary School, Electricity & Electronics Projects, Lessons, Activities (44 results)

Search
Refine Results
Filter by
Sort by
Pencil Resistors
Science Fair Project Idea
Scientific Method
What do you do with your old wooden pencils when they get too short to hold? Don't throw them away; you can use them to make circuits! This project will show you how to use pencils to make resistors, an important part of many electrical circuits, and test how they affect the brightness of a lightbulb in a simple circuit. Read more
Electric Play Dough Project 3: Light Up Your Sculptures!
Science Fair Project Idea
Scientific Method
Have you tried our first and second play dough circuits projects? Are you a master circuit artist, ready to try something even bigger and better? Try this project to see if you can build a three-dimensional light-up sculpture. Read more
Find the Best Place to Put a Solar Panel
Science Fair Project Idea
Scientific Method
Imagine trying to put a solar panel on your roof or outside your home to generate clean, renewable energy. Where would you put it so it generates as much power as possible throughout the day? What direction should it face? Is there a way to take measurements to find the best location before you install the panel? In this project, you will use a tiny programmable device called a micro:bit to record light data and find the best place to put your panel. Read more
How to Make a Dimmer Switch with a Pencil
Science Fair Project Idea
Scientific Method
Dimmer switches let us control the brightness of a light, anywhere from completely off to full brightness. This can be nice when you want to set the brightness "just right," as opposed to a regular light switch that only lets you turn a light on or off. It turns out that you can make a dimmer switch out of an everyday object—a pencil! Try this project to find out how a dimmer switch can control the brightness of a light. Read more
LED Dance Glove: Get the Party Started with Your Own Interactive Light Show
Science Fair Project Idea
Scientific Method
Have you ever seen clothing with built-in lights? This might sound like something out of a science-fiction movie, but electronic textiles (>e-textiles for short, also called wearable electronics or sewable circuits) really exist. Instead of using hard surfaces for circuits (like what goes inside your computer or cell phone), e-textiles weave electrical parts like batteries, wires, and lights directly into clothing that you can wear to make the clothing do fun, interesting things like light… Read more
Electric Play Dough Project 2: Rig Your Creations With Lots of Lights!
Science Fair Project Idea
Scientific Method
Have you tried our first electric play dough project, and now you are looking for more to do? Do you want to learn more about circuits and add even more lights? Check out this project for part 2 of our play dough circuits series! Read more
Program a Sound Level Meter to Help Protect Your Hearing
Science Fair Project Idea
Engineering Design Process
Have you ever said, "That hurt my ears!" when someone yelled loudly right next to you? Do you cover your ears when a fire truck drives by with the sirens blaring? It is good to protect your ears—even sounds that do not "hurt" can cause hearing damage if you are exposed to them for too long. In this project, you will program a device that alerts you when sounds have exceeded safe levels long enough to cause hearing damage. Read more
Abracadabra! Levitating with Eddy Currents!
Science Fair Project Idea
Scientific Method
Did you know that not all trains run on tracks? Some of the world's fastest trains are magnetic levitation trains (maglev). This means that the carriage of the train is suspended over the rails with no support, but only with magnetic fields! There is a physical explanation for magnetic levitation, and if you would like to learn more about magnetism and current, this is a science fair project that you must try! Read more
Effect of Different Materials on a Magnetic Field
Science Fair Project Idea
Scientific Method
You've seen that a magnet's attractive force can cause a small object (like a paper clip) to "jump" to the magnet. So a magnetic field can act through the air, but what about other materials? Here's an experiment you can do to find out. You'll need a strong bar magnet, a stack of books, a paper clip, some thread and tape. Place the bar magnet underneath the top book in your stack, so that it sticks out. Tie a piece of thread (as long as the stack of books is high) to a paper clip. You… Read more
How Do You Take Your Tea? Make a Simple Electronic Device to Measure the Strength of Tea
Science Fair Project Idea
Scientific Method
A nice hot cup of tea sure can wake and warm you up in the morning. In this project, you will investigate the chemistry of tea. The longer you steep a tea bag in hot water, the stronger the tea will be. But how does the strength of the tea change with longer brewing time? In this project you will make a very simple electronic device to measure the strength of tea. The device will determine how strong the tea is by measuring the amount of light the tea absorbs. Read more
< 1 2 3 4 5 >

Explore Our Science Videos

Quick Links X
Top
Free science fair projects.